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Posted to commits@trafodion.apache.org by db...@apache.org on 2018/01/26 23:46:56 UTC
[21/28] trafodion-site git commit: Merge PR 1411 and 1415 into docs
and web site
http://git-wip-us.apache.org/repos/asf/trafodion-site/blob/4f19d4f4/docs/2.3.0/dcs_reference/xref/org/trafodion/dcs/master/ServerManager.html
----------------------------------------------------------------------
diff --git a/docs/2.3.0/dcs_reference/xref/org/trafodion/dcs/master/ServerManager.html b/docs/2.3.0/dcs_reference/xref/org/trafodion/dcs/master/ServerManager.html
index 65a572e..6b836ce 100644
--- a/docs/2.3.0/dcs_reference/xref/org/trafodion/dcs/master/ServerManager.html
+++ b/docs/2.3.0/dcs_reference/xref/org/trafodion/dcs/master/ServerManager.html
@@ -330,525 +330,533 @@
<a class="jxr_linenumber" name="320" href="#320">320</a> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">RestartHandler</a> handler = restartQueue.poll();
<a class="jxr_linenumber" name="321" href="#321">321</a> Future<ScriptContext> runner = pool.submit(handler);
<a class="jxr_linenumber" name="322" href="#322">322</a> <a href="../../../../org/trafodion/dcs/script/ScriptContext.html">ScriptContext</a> scriptContext = runner.get();<em class="jxr_comment">// blocking call</em>
-<a class="jxr_linenumber" name="323" href="#323">323</a> <strong class="jxr_keyword">if</strong> (scriptContext.getExitCode() != 0)
-<a class="jxr_linenumber" name="324" href="#324">324</a> restartQueue.add(handler);
-<a class="jxr_linenumber" name="325" href="#325">325</a> }
-<a class="jxr_linenumber" name="326" href="#326">326</a>
-<a class="jxr_linenumber" name="327" href="#327">327</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="328" href="#328">328</a> Thread.sleep(timeoutMillis);
-<a class="jxr_linenumber" name="329" href="#329">329</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException e) {
-<a class="jxr_linenumber" name="330" href="#330">330</a> }
-<a class="jxr_linenumber" name="331" href="#331">331</a> }
-<a class="jxr_linenumber" name="332" href="#332">332</a>
-<a class="jxr_linenumber" name="333" href="#333">333</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
-<a class="jxr_linenumber" name="334" href="#334">334</a> e.printStackTrace();
-<a class="jxr_linenumber" name="335" href="#335">335</a> <strong class="jxr_keyword">if</strong> (LOG.isErrorEnabled())
-<a class="jxr_linenumber" name="336" href="#336">336</a> LOG.error(e);
-<a class="jxr_linenumber" name="337" href="#337">337</a> pool.shutdown();
-<a class="jxr_linenumber" name="338" href="#338">338</a> <strong class="jxr_keyword">throw</strong> e;
-<a class="jxr_linenumber" name="339" href="#339">339</a> }
-<a class="jxr_linenumber" name="340" href="#340">340</a> }
-<a class="jxr_linenumber" name="341" href="#341">341</a>
-<a class="jxr_linenumber" name="342" href="#342">342</a> <strong class="jxr_keyword">private</strong> List<String> getChildren(String znode, Watcher watcher)
-<a class="jxr_linenumber" name="343" href="#343">343</a> <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="344" href="#344">344</a> List<String> children = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="345" href="#345">345</a> children = zkc.getChildren(znode, watcher);
-<a class="jxr_linenumber" name="346" href="#346">346</a> <strong class="jxr_keyword">if</strong> (!children.isEmpty())
-<a class="jxr_linenumber" name="347" href="#347">347</a> Collections.sort(children);
-<a class="jxr_linenumber" name="348" href="#348">348</a> <strong class="jxr_keyword">return</strong> children;
-<a class="jxr_linenumber" name="349" href="#349">349</a> }
-<a class="jxr_linenumber" name="350" href="#350">350</a>
-<a class="jxr_linenumber" name="351" href="#351">351</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> getServersFile() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="352" href="#352">352</a> InputStream is = <strong class="jxr_keyword">this</strong>.getClass().getResourceAsStream(<span class="jxr_string">"/servers"</span>);
-<a class="jxr_linenumber" name="353" href="#353">353</a> <strong class="jxr_keyword">if</strong> (is == <strong class="jxr_keyword">null</strong>)
-<a class="jxr_linenumber" name="354" href="#354">354</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Cannot find servers file"</span>);
-<a class="jxr_linenumber" name="355" href="#355">355</a>
-<a class="jxr_linenumber" name="356" href="#356">356</a> BufferedReader br = <strong class="jxr_keyword">new</strong> BufferedReader(<strong class="jxr_keyword">new</strong> InputStreamReader(is));
-<a class="jxr_linenumber" name="357" href="#357">357</a> configuredServers.clear();
-<a class="jxr_linenumber" name="358" href="#358">358</a> String line;
-<a class="jxr_linenumber" name="359" href="#359">359</a> <strong class="jxr_keyword">int</strong> lineNum = 1;
-<a class="jxr_linenumber" name="360" href="#360">360</a> <strong class="jxr_keyword">while</strong> ((line = br.readLine()) != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="361" href="#361">361</a> Scanner scn = <strong class="jxr_keyword">new</strong> Scanner(line);
-<a class="jxr_linenumber" name="362" href="#362">362</a> scn.useDelimiter(<span class="jxr_string">" "</span>);
-<a class="jxr_linenumber" name="363" href="#363">363</a> String hostName = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="364" href="#364">364</a> String serverCount = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="365" href="#365">365</a> <strong class="jxr_keyword">if</strong> (scn.hasNext())
-<a class="jxr_linenumber" name="366" href="#366">366</a> hostName = scn.next();<em class="jxr_comment">// host name</em>
-<a class="jxr_linenumber" name="367" href="#367">367</a> <strong class="jxr_keyword">else</strong>
-<a class="jxr_linenumber" name="368" href="#368">368</a> hostName = <strong class="jxr_keyword">new</strong> String(<span class="jxr_string">"localhost"</span>);
+<a class="jxr_linenumber" name="323" href="#323">323</a> <em class="jxr_comment">// In some situation, there may restart dcs server replicated.</em>
+<a class="jxr_linenumber" name="324" href="#324">324</a> <em class="jxr_comment">// Exit code == -2 means dcs server had been started,</em>
+<a class="jxr_linenumber" name="325" href="#325">325</a> <em class="jxr_comment">// no needs to add to restart queue.</em>
+<a class="jxr_linenumber" name="326" href="#326">326</a> <strong class="jxr_keyword">if</strong> (scriptContext.getExitCode() != 0 && scriptContext.getExitCode() != -2) {
+<a class="jxr_linenumber" name="327" href="#327">327</a> restartQueue.add(handler);
+<a class="jxr_linenumber" name="328" href="#328">328</a> }
+<a class="jxr_linenumber" name="329" href="#329">329</a> }
+<a class="jxr_linenumber" name="330" href="#330">330</a>
+<a class="jxr_linenumber" name="331" href="#331">331</a> <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="332" href="#332">332</a> Thread.sleep(timeoutMillis);
+<a class="jxr_linenumber" name="333" href="#333">333</a> } <strong class="jxr_keyword">catch</strong> (InterruptedException e) {
+<a class="jxr_linenumber" name="334" href="#334">334</a> }
+<a class="jxr_linenumber" name="335" href="#335">335</a> }
+<a class="jxr_linenumber" name="336" href="#336">336</a>
+<a class="jxr_linenumber" name="337" href="#337">337</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
+<a class="jxr_linenumber" name="338" href="#338">338</a> e.printStackTrace();
+<a class="jxr_linenumber" name="339" href="#339">339</a> <strong class="jxr_keyword">if</strong> (LOG.isErrorEnabled())
+<a class="jxr_linenumber" name="340" href="#340">340</a> LOG.error(e);
+<a class="jxr_linenumber" name="341" href="#341">341</a> pool.shutdown();
+<a class="jxr_linenumber" name="342" href="#342">342</a> <strong class="jxr_keyword">throw</strong> e;
+<a class="jxr_linenumber" name="343" href="#343">343</a> }
+<a class="jxr_linenumber" name="344" href="#344">344</a> }
+<a class="jxr_linenumber" name="345" href="#345">345</a>
+<a class="jxr_linenumber" name="346" href="#346">346</a> <strong class="jxr_keyword">private</strong> List<String> getChildren(String znode, Watcher watcher)
+<a class="jxr_linenumber" name="347" href="#347">347</a> <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="348" href="#348">348</a> List<String> children = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="349" href="#349">349</a> children = zkc.getChildren(znode, watcher);
+<a class="jxr_linenumber" name="350" href="#350">350</a> <strong class="jxr_keyword">if</strong> (!children.isEmpty())
+<a class="jxr_linenumber" name="351" href="#351">351</a> Collections.sort(children);
+<a class="jxr_linenumber" name="352" href="#352">352</a> <strong class="jxr_keyword">return</strong> children;
+<a class="jxr_linenumber" name="353" href="#353">353</a> }
+<a class="jxr_linenumber" name="354" href="#354">354</a>
+<a class="jxr_linenumber" name="355" href="#355">355</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> getServersFile() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="356" href="#356">356</a> InputStream is = <strong class="jxr_keyword">this</strong>.getClass().getResourceAsStream(<span class="jxr_string">"/servers"</span>);
+<a class="jxr_linenumber" name="357" href="#357">357</a> <strong class="jxr_keyword">if</strong> (is == <strong class="jxr_keyword">null</strong>)
+<a class="jxr_linenumber" name="358" href="#358">358</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"Cannot find servers file"</span>);
+<a class="jxr_linenumber" name="359" href="#359">359</a>
+<a class="jxr_linenumber" name="360" href="#360">360</a> BufferedReader br = <strong class="jxr_keyword">new</strong> BufferedReader(<strong class="jxr_keyword">new</strong> InputStreamReader(is));
+<a class="jxr_linenumber" name="361" href="#361">361</a> configuredServers.clear();
+<a class="jxr_linenumber" name="362" href="#362">362</a> String line;
+<a class="jxr_linenumber" name="363" href="#363">363</a> <strong class="jxr_keyword">int</strong> lineNum = 1;
+<a class="jxr_linenumber" name="364" href="#364">364</a> <strong class="jxr_keyword">while</strong> ((line = br.readLine()) != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="365" href="#365">365</a> Scanner scn = <strong class="jxr_keyword">new</strong> Scanner(line);
+<a class="jxr_linenumber" name="366" href="#366">366</a> scn.useDelimiter(<span class="jxr_string">" "</span>);
+<a class="jxr_linenumber" name="367" href="#367">367</a> String hostName = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="368" href="#368">368</a> String serverCount = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="369" href="#369">369</a> <strong class="jxr_keyword">if</strong> (scn.hasNext())
-<a class="jxr_linenumber" name="370" href="#370">370</a> serverCount = scn.next();<em class="jxr_comment">// optional</em>
+<a class="jxr_linenumber" name="370" href="#370">370</a> hostName = scn.next();<em class="jxr_comment">// host name</em>
<a class="jxr_linenumber" name="371" href="#371">371</a> <strong class="jxr_keyword">else</strong>
-<a class="jxr_linenumber" name="372" href="#372">372</a> serverCount = <span class="jxr_string">"1"</span>;
-<a class="jxr_linenumber" name="373" href="#373">373</a> scn.close();
-<a class="jxr_linenumber" name="374" href="#374">374</a> <strong class="jxr_keyword">if</strong> (hostName.equalsIgnoreCase(<span class="jxr_string">"localhost"</span>)) {
-<a class="jxr_linenumber" name="375" href="#375">375</a> hostName = netConf.getHostName();
-<a class="jxr_linenumber" name="376" href="#376">376</a> }
-<a class="jxr_linenumber" name="377" href="#377">377</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
-<a class="jxr_linenumber" name="378" href="#378">378</a> LOG.debug(<span class="jxr_string">"Adding to configured servers ["</span> + hostName + <span class="jxr_string">":"</span>
-<a class="jxr_linenumber" name="379" href="#379">379</a> + lineNum + <span class="jxr_string">":"</span> + serverCount + <span class="jxr_string">"]"</span>);
-<a class="jxr_linenumber" name="380" href="#380">380</a> configuredServers.add(hostName + <span class="jxr_string">":"</span> + lineNum + <span class="jxr_string">":"</span> + serverCount);
-<a class="jxr_linenumber" name="381" href="#381">381</a> lineNum++;
-<a class="jxr_linenumber" name="382" href="#382">382</a> }
-<a class="jxr_linenumber" name="383" href="#383">383</a>
-<a class="jxr_linenumber" name="384" href="#384">384</a> Collections.sort(configuredServers);
-<a class="jxr_linenumber" name="385" href="#385">385</a>
-<a class="jxr_linenumber" name="386" href="#386">386</a> <strong class="jxr_keyword">if</strong> (configuredServers.size() < 1)
-<a class="jxr_linenumber" name="387" href="#387">387</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"No entries found in servers file"</span>);
-<a class="jxr_linenumber" name="388" href="#388">388</a>
-<a class="jxr_linenumber" name="389" href="#389">389</a> <strong class="jxr_keyword">int</strong> lnum = 1;
-<a class="jxr_linenumber" name="390" href="#390">390</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < configuredServers.size(); i++) {
-<a class="jxr_linenumber" name="391" href="#391">391</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
-<a class="jxr_linenumber" name="392" href="#392">392</a> LOG.debug(<span class="jxr_string">"servers file line "</span> + lnum + <span class="jxr_string">" ["</span>
-<a class="jxr_linenumber" name="393" href="#393">393</a> + configuredServers.get(i) + <span class="jxr_string">"]"</span>);
-<a class="jxr_linenumber" name="394" href="#394">394</a> lnum++;
-<a class="jxr_linenumber" name="395" href="#395">395</a> }
-<a class="jxr_linenumber" name="396" href="#396">396</a> }
-<a class="jxr_linenumber" name="397" href="#397">397</a>
-<a class="jxr_linenumber" name="398" href="#398">398</a> <strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">ServerPortMap</a> {
-<a class="jxr_linenumber" name="399" href="#399">399</a> <strong class="jxr_keyword">int</strong> begPortNum = conf.getInt(Constants.DCS_MASTER_PORT,
-<a class="jxr_linenumber" name="400" href="#400">400</a> Constants.DEFAULT_DCS_MASTER_PORT) + 1;
-<a class="jxr_linenumber" name="401" href="#401">401</a> <strong class="jxr_keyword">int</strong> endPortNum = begPortNum;
-<a class="jxr_linenumber" name="402" href="#402">402</a> StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder();
-<a class="jxr_linenumber" name="403" href="#403">403</a>
-<a class="jxr_linenumber" name="404" href="#404">404</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> add(<strong class="jxr_keyword">int</strong> instance, <strong class="jxr_keyword">int</strong> childCount) {
-<a class="jxr_linenumber" name="405" href="#405">405</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 1; i <= childCount; i++) {
-<a class="jxr_linenumber" name="406" href="#406">406</a> <strong class="jxr_keyword">if</strong> (endPortNum > begPortNum)
-<a class="jxr_linenumber" name="407" href="#407">407</a> sb.append(<span class="jxr_string">":"</span>);
-<a class="jxr_linenumber" name="408" href="#408">408</a> sb.append(instance + <span class="jxr_string">":"</span> + i + <span class="jxr_string">":"</span> + endPortNum);
-<a class="jxr_linenumber" name="409" href="#409">409</a> endPortNum++;
-<a class="jxr_linenumber" name="410" href="#410">410</a> }
-<a class="jxr_linenumber" name="411" href="#411">411</a> }
-<a class="jxr_linenumber" name="412" href="#412">412</a>
-<a class="jxr_linenumber" name="413" href="#413">413</a> <strong class="jxr_keyword">public</strong> String toString() {
-<a class="jxr_linenumber" name="414" href="#414">414</a> <strong class="jxr_keyword">return</strong> sb.toString();
+<a class="jxr_linenumber" name="372" href="#372">372</a> hostName = <strong class="jxr_keyword">new</strong> String(<span class="jxr_string">"localhost"</span>);
+<a class="jxr_linenumber" name="373" href="#373">373</a> <strong class="jxr_keyword">if</strong> (scn.hasNext())
+<a class="jxr_linenumber" name="374" href="#374">374</a> serverCount = scn.next();<em class="jxr_comment">// optional</em>
+<a class="jxr_linenumber" name="375" href="#375">375</a> <strong class="jxr_keyword">else</strong>
+<a class="jxr_linenumber" name="376" href="#376">376</a> serverCount = <span class="jxr_string">"1"</span>;
+<a class="jxr_linenumber" name="377" href="#377">377</a> scn.close();
+<a class="jxr_linenumber" name="378" href="#378">378</a> <strong class="jxr_keyword">if</strong> (hostName.equalsIgnoreCase(<span class="jxr_string">"localhost"</span>)) {
+<a class="jxr_linenumber" name="379" href="#379">379</a> hostName = netConf.getHostName();
+<a class="jxr_linenumber" name="380" href="#380">380</a> }
+<a class="jxr_linenumber" name="381" href="#381">381</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
+<a class="jxr_linenumber" name="382" href="#382">382</a> LOG.debug(<span class="jxr_string">"Adding to configured servers ["</span> + hostName + <span class="jxr_string">":"</span>
+<a class="jxr_linenumber" name="383" href="#383">383</a> + lineNum + <span class="jxr_string">":"</span> + serverCount + <span class="jxr_string">"]"</span>);
+<a class="jxr_linenumber" name="384" href="#384">384</a> configuredServers.add(hostName + <span class="jxr_string">":"</span> + lineNum + <span class="jxr_string">":"</span> + serverCount);
+<a class="jxr_linenumber" name="385" href="#385">385</a> lineNum++;
+<a class="jxr_linenumber" name="386" href="#386">386</a> }
+<a class="jxr_linenumber" name="387" href="#387">387</a>
+<a class="jxr_linenumber" name="388" href="#388">388</a> Collections.sort(configuredServers);
+<a class="jxr_linenumber" name="389" href="#389">389</a>
+<a class="jxr_linenumber" name="390" href="#390">390</a> <strong class="jxr_keyword">if</strong> (configuredServers.size() < 1)
+<a class="jxr_linenumber" name="391" href="#391">391</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"No entries found in servers file"</span>);
+<a class="jxr_linenumber" name="392" href="#392">392</a>
+<a class="jxr_linenumber" name="393" href="#393">393</a> <strong class="jxr_keyword">int</strong> lnum = 1;
+<a class="jxr_linenumber" name="394" href="#394">394</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 0; i < configuredServers.size(); i++) {
+<a class="jxr_linenumber" name="395" href="#395">395</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
+<a class="jxr_linenumber" name="396" href="#396">396</a> LOG.debug(<span class="jxr_string">"servers file line "</span> + lnum + <span class="jxr_string">" ["</span>
+<a class="jxr_linenumber" name="397" href="#397">397</a> + configuredServers.get(i) + <span class="jxr_string">"]"</span>);
+<a class="jxr_linenumber" name="398" href="#398">398</a> lnum++;
+<a class="jxr_linenumber" name="399" href="#399">399</a> }
+<a class="jxr_linenumber" name="400" href="#400">400</a> }
+<a class="jxr_linenumber" name="401" href="#401">401</a>
+<a class="jxr_linenumber" name="402" href="#402">402</a> <strong class="jxr_keyword">class</strong> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">ServerPortMap</a> {
+<a class="jxr_linenumber" name="403" href="#403">403</a> <strong class="jxr_keyword">int</strong> begPortNum = conf.getInt(Constants.DCS_MASTER_PORT,
+<a class="jxr_linenumber" name="404" href="#404">404</a> Constants.DEFAULT_DCS_MASTER_PORT) + 1;
+<a class="jxr_linenumber" name="405" href="#405">405</a> <strong class="jxr_keyword">int</strong> endPortNum = begPortNum;
+<a class="jxr_linenumber" name="406" href="#406">406</a> StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder();
+<a class="jxr_linenumber" name="407" href="#407">407</a>
+<a class="jxr_linenumber" name="408" href="#408">408</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> add(<strong class="jxr_keyword">int</strong> instance, <strong class="jxr_keyword">int</strong> childCount) {
+<a class="jxr_linenumber" name="409" href="#409">409</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i = 1; i <= childCount; i++) {
+<a class="jxr_linenumber" name="410" href="#410">410</a> <strong class="jxr_keyword">if</strong> (endPortNum > begPortNum)
+<a class="jxr_linenumber" name="411" href="#411">411</a> sb.append(<span class="jxr_string">":"</span>);
+<a class="jxr_linenumber" name="412" href="#412">412</a> sb.append(instance + <span class="jxr_string">":"</span> + i + <span class="jxr_string">":"</span> + endPortNum);
+<a class="jxr_linenumber" name="413" href="#413">413</a> endPortNum++;
+<a class="jxr_linenumber" name="414" href="#414">414</a> }
<a class="jxr_linenumber" name="415" href="#415">415</a> }
-<a class="jxr_linenumber" name="416" href="#416">416</a> }
-<a class="jxr_linenumber" name="417" href="#417">417</a>
-<a class="jxr_linenumber" name="418" href="#418">418</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> createServersPortMap() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="419" href="#419">419</a> serverPortMap.clear();
-<a class="jxr_linenumber" name="420" href="#420">420</a>
-<a class="jxr_linenumber" name="421" href="#421">421</a> <strong class="jxr_keyword">for</strong> (String aServer : configuredServers) {
-<a class="jxr_linenumber" name="422" href="#422">422</a> Scanner scn = <strong class="jxr_keyword">new</strong> Scanner(aServer);
-<a class="jxr_linenumber" name="423" href="#423">423</a> scn.useDelimiter(<span class="jxr_string">":"</span>);
-<a class="jxr_linenumber" name="424" href="#424">424</a> String hostName = scn.next();
-<a class="jxr_linenumber" name="425" href="#425">425</a> <strong class="jxr_keyword">int</strong> instance = Integer.parseInt(scn.next());
-<a class="jxr_linenumber" name="426" href="#426">426</a> <strong class="jxr_keyword">int</strong> childCount = Integer.parseInt(scn.next());
-<a class="jxr_linenumber" name="427" href="#427">427</a> scn.close();
-<a class="jxr_linenumber" name="428" href="#428">428</a>
-<a class="jxr_linenumber" name="429" href="#429">429</a> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">ServerPortMap</a> spm = serverPortMap.get(hostName);
-<a class="jxr_linenumber" name="430" href="#430">430</a> <strong class="jxr_keyword">if</strong> (spm == <strong class="jxr_keyword">null</strong>)
-<a class="jxr_linenumber" name="431" href="#431">431</a> spm = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">ServerPortMap</a>();
-<a class="jxr_linenumber" name="432" href="#432">432</a> spm.add(instance, childCount);
-<a class="jxr_linenumber" name="433" href="#433">433</a> serverPortMap.put(hostName, spm);
-<a class="jxr_linenumber" name="434" href="#434">434</a> }
-<a class="jxr_linenumber" name="435" href="#435">435</a>
-<a class="jxr_linenumber" name="436" href="#436">436</a> StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder();
-<a class="jxr_linenumber" name="437" href="#437">437</a> <strong class="jxr_keyword">for</strong> (Map.Entry<String, ServerPortMap> entry : serverPortMap.entrySet()) {
-<a class="jxr_linenumber" name="438" href="#438">438</a> LOG.debug((<span class="jxr_string">"Key = "</span> + entry.getKey() + <span class="jxr_string">", Value = "</span> + entry
-<a class="jxr_linenumber" name="439" href="#439">439</a> .getValue()));
-<a class="jxr_linenumber" name="440" href="#440">440</a> sb.append(entry.getValue());
-<a class="jxr_linenumber" name="441" href="#441">441</a> sb.append(<span class="jxr_string">":"</span>);
-<a class="jxr_linenumber" name="442" href="#442">442</a> }
-<a class="jxr_linenumber" name="443" href="#443">443</a>
-<a class="jxr_linenumber" name="444" href="#444">444</a> LOG.debug(<span class="jxr_string">"Setting "</span> + parentZnode
-<a class="jxr_linenumber" name="445" href="#445">445</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_REGISTERED
-<a class="jxr_linenumber" name="446" href="#446">446</a> + <span class="jxr_string">" data ["</span> + sb.toString() + <span class="jxr_string">"]"</span>);
-<a class="jxr_linenumber" name="447" href="#447">447</a> byte[] data = Bytes.toBytes(sb.toString());
-<a class="jxr_linenumber" name="448" href="#448">448</a> zkc.setData(parentZnode
-<a class="jxr_linenumber" name="449" href="#449">449</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_REGISTERED, data,
-<a class="jxr_linenumber" name="450" href="#450">450</a> -1);
-<a class="jxr_linenumber" name="451" href="#451">451</a> }
-<a class="jxr_linenumber" name="452" href="#452">452</a>
-<a class="jxr_linenumber" name="453" href="#453">453</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> getZkRunning() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="454" href="#454">454</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
-<a class="jxr_linenumber" name="455" href="#455">455</a> LOG.debug(<span class="jxr_string">"Reading "</span> + parentZnode
-<a class="jxr_linenumber" name="456" href="#456">456</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_RUNNING);
-<a class="jxr_linenumber" name="457" href="#457">457</a> List<String> children = getChildren(parentZnode
-<a class="jxr_linenumber" name="458" href="#458">458</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_RUNNING,
-<a class="jxr_linenumber" name="459" href="#459">459</a> <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">RunningWatcher</a>());
-<a class="jxr_linenumber" name="460" href="#460">460</a>
-<a class="jxr_linenumber" name="461" href="#461">461</a> <strong class="jxr_keyword">if</strong> (!children.isEmpty()) {
-<a class="jxr_linenumber" name="462" href="#462">462</a> <strong class="jxr_keyword">for</strong> (String child : children) {
-<a class="jxr_linenumber" name="463" href="#463">463</a> <em class="jxr_comment">// If stop-dcs.sh is executed and DCS_MANAGES_ZK then zookeeper</em>
-<a class="jxr_linenumber" name="464" href="#464">464</a> <em class="jxr_comment">// is stopped abruptly.</em>
-<a class="jxr_linenumber" name="465" href="#465">465</a> <em class="jxr_comment">// Second scenario is when ZooKeeper fails for some reason</em>
-<a class="jxr_linenumber" name="466" href="#466">466</a> <em class="jxr_comment">// regardless of whether DCS</em>
-<a class="jxr_linenumber" name="467" href="#467">467</a> <em class="jxr_comment">// manages it. When either happens the DcsServer running znodes</em>
-<a class="jxr_linenumber" name="468" href="#468">468</a> <em class="jxr_comment">// still exist in ZooKeeper</em>
-<a class="jxr_linenumber" name="469" href="#469">469</a> <em class="jxr_comment">// and we see them at next startup. When they eventually timeout</em>
-<a class="jxr_linenumber" name="470" href="#470">470</a> <em class="jxr_comment">// we get node deleted events for a server that no longer</em>
-<a class="jxr_linenumber" name="471" href="#471">471</a> <em class="jxr_comment">// exists. So, only recognize</em>
-<a class="jxr_linenumber" name="472" href="#472">472</a> <em class="jxr_comment">// DcsServer running znodes that have timestamps after last</em>
-<a class="jxr_linenumber" name="473" href="#473">473</a> <em class="jxr_comment">// DcsMaster startup.</em>
-<a class="jxr_linenumber" name="474" href="#474">474</a> Scanner scn = <strong class="jxr_keyword">new</strong> Scanner(child);
-<a class="jxr_linenumber" name="475" href="#475">475</a> scn.useDelimiter(<span class="jxr_string">":"</span>);
-<a class="jxr_linenumber" name="476" href="#476">476</a> String hostName = scn.next();
-<a class="jxr_linenumber" name="477" href="#477">477</a> String instance = scn.next();
-<a class="jxr_linenumber" name="478" href="#478">478</a> <strong class="jxr_keyword">int</strong> infoPort = Integer.parseInt(scn.next());
-<a class="jxr_linenumber" name="479" href="#479">479</a> <strong class="jxr_keyword">long</strong> serverStartTimestamp = Long.parseLong(scn.next());
-<a class="jxr_linenumber" name="480" href="#480">480</a> scn.close();
-<a class="jxr_linenumber" name="481" href="#481">481</a>
-<a class="jxr_linenumber" name="482" href="#482">482</a> <em class="jxr_comment">// If we are DcsMaster follower that is taking over from failed</em>
-<a class="jxr_linenumber" name="483" href="#483">483</a> <em class="jxr_comment">// one then ignore timestamp issues described above.</em>
-<a class="jxr_linenumber" name="484" href="#484">484</a> <em class="jxr_comment">// See MasterLeaderElection.elect()</em>
-<a class="jxr_linenumber" name="485" href="#485">485</a> <strong class="jxr_keyword">if</strong> (master.isFollower() == false) {
-<a class="jxr_linenumber" name="486" href="#486">486</a> <strong class="jxr_keyword">if</strong> (serverStartTimestamp < startupTimestamp)
-<a class="jxr_linenumber" name="487" href="#487">487</a> <strong class="jxr_keyword">continue</strong>;
-<a class="jxr_linenumber" name="488" href="#488">488</a> }
-<a class="jxr_linenumber" name="489" href="#489">489</a>
-<a class="jxr_linenumber" name="490" href="#490">490</a> <strong class="jxr_keyword">if</strong> (!runningServers.contains(child)) {
-<a class="jxr_linenumber" name="491" href="#491">491</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
-<a class="jxr_linenumber" name="492" href="#492">492</a> LOG.debug(<span class="jxr_string">"Watching running ["</span> + child + <span class="jxr_string">"]"</span>);
-<a class="jxr_linenumber" name="493" href="#493">493</a> zkc.exists(parentZnode
-<a class="jxr_linenumber" name="494" href="#494">494</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_RUNNING
-<a class="jxr_linenumber" name="495" href="#495">495</a> + <span class="jxr_string">"/"</span> + child, <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">RunningWatcher</a>());
-<a class="jxr_linenumber" name="496" href="#496">496</a> runningServers.add(child);
-<a class="jxr_linenumber" name="497" href="#497">497</a> }
-<a class="jxr_linenumber" name="498" href="#498">498</a> }
-<a class="jxr_linenumber" name="499" href="#499">499</a> metrics.setTotalRunning(runningServers.size());
-<a class="jxr_linenumber" name="500" href="#500">500</a> } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="501" href="#501">501</a> metrics.setTotalRunning(0);
-<a class="jxr_linenumber" name="502" href="#502">502</a> }
-<a class="jxr_linenumber" name="503" href="#503">503</a> }
-<a class="jxr_linenumber" name="504" href="#504">504</a>
-<a class="jxr_linenumber" name="505" href="#505">505</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> getUnwathedServers() {
-<a class="jxr_linenumber" name="506" href="#506">506</a> <em class="jxr_comment">// In some situation, if DCS Server does not have znode info in zookeeper</em>
-<a class="jxr_linenumber" name="507" href="#507">507</a> <em class="jxr_comment">// when DCS Master is starting, then server will never be watched by zookeeper,</em>
-<a class="jxr_linenumber" name="508" href="#508">508</a> <em class="jxr_comment">// and if it downs, it will never be restarted.</em>
-<a class="jxr_linenumber" name="509" href="#509">509</a>
-<a class="jxr_linenumber" name="510" href="#510">510</a> <em class="jxr_comment">// configuredServers</em>
-<a class="jxr_linenumber" name="511" href="#511">511</a> <em class="jxr_comment">// hostName + ":" + lineNum + ":" + serverCount</em>
-<a class="jxr_linenumber" name="512" href="#512">512</a> <em class="jxr_comment">// runningServers</em>
-<a class="jxr_linenumber" name="513" href="#513">513</a> <em class="jxr_comment">// hostName + ":" + instance + ":" + infoPort + ":" + serverStartTimestamp</em>
-<a class="jxr_linenumber" name="514" href="#514">514</a> <em class="jxr_comment">// eg : gy26.esgyncn.local:3:24413:1515056285028</em>
-<a class="jxr_linenumber" name="515" href="#515">515</a> <em class="jxr_comment">// RestartHandler need to know hostName, instanceNum(lineNum), serverStartTimestamp(for if condition)</em>
-<a class="jxr_linenumber" name="516" href="#516">516</a> <strong class="jxr_keyword">if</strong> (runningServers.size() == configuredServers.size()) {
-<a class="jxr_linenumber" name="517" href="#517">517</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled()) {
-<a class="jxr_linenumber" name="518" href="#518">518</a> LOG.debug(<span class="jxr_string">"all dcs servers have started, no need to add watchers"</span>);
-<a class="jxr_linenumber" name="519" href="#519">519</a> }
-<a class="jxr_linenumber" name="520" href="#520">520</a> <strong class="jxr_keyword">return</strong>;
-<a class="jxr_linenumber" name="521" href="#521">521</a> }
-<a class="jxr_linenumber" name="522" href="#522">522</a>
-<a class="jxr_linenumber" name="523" href="#523">523</a> <strong class="jxr_keyword">boolean</strong> found = false;
-<a class="jxr_linenumber" name="524" href="#524">524</a> <strong class="jxr_keyword">for</strong> (String configured : configuredServers) {
-<a class="jxr_linenumber" name="525" href="#525">525</a> Scanner configuredScn = <strong class="jxr_keyword">new</strong> Scanner(configured);
-<a class="jxr_linenumber" name="526" href="#526">526</a> configuredScn.useDelimiter(<span class="jxr_string">":"</span>);
-<a class="jxr_linenumber" name="527" href="#527">527</a> String hostName = configuredScn.next();
-<a class="jxr_linenumber" name="528" href="#528">528</a> <strong class="jxr_keyword">int</strong> instance = Integer.parseInt(configuredScn.next());
-<a class="jxr_linenumber" name="529" href="#529">529</a> <strong class="jxr_keyword">int</strong> serverCount = Integer.parseInt(configuredScn.next());
-<a class="jxr_linenumber" name="530" href="#530">530</a> configuredScn.close();
-<a class="jxr_linenumber" name="531" href="#531">531</a> <strong class="jxr_keyword">for</strong> (String running : runningServers) {
-<a class="jxr_linenumber" name="532" href="#532">532</a> Scanner runningScn = <strong class="jxr_keyword">new</strong> Scanner(running);
-<a class="jxr_linenumber" name="533" href="#533">533</a> runningScn.useDelimiter(<span class="jxr_string">":"</span>);
-<a class="jxr_linenumber" name="534" href="#534">534</a> String runningHostName = runningScn.next();
-<a class="jxr_linenumber" name="535" href="#535">535</a>
-<a class="jxr_linenumber" name="536" href="#536">536</a> runningScn.close();
-<a class="jxr_linenumber" name="537" href="#537">537</a> <strong class="jxr_keyword">if</strong> (runningHostName.equals(hostName)) {
-<a class="jxr_linenumber" name="538" href="#538">538</a> found = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="539" href="#539">539</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="540" href="#540">540</a> }
-<a class="jxr_linenumber" name="541" href="#541">541</a> }
-<a class="jxr_linenumber" name="542" href="#542">542</a> <strong class="jxr_keyword">if</strong> (found) {
-<a class="jxr_linenumber" name="543" href="#543">543</a> found = false;
-<a class="jxr_linenumber" name="544" href="#544">544</a> <strong class="jxr_keyword">continue</strong>;
-<a class="jxr_linenumber" name="545" href="#545">545</a> } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="546" href="#546">546</a> LOG.error(<span class="jxr_string">"DcsServer ["</span> + hostName + <span class="jxr_string">":"</span> + instance + <span class="jxr_string">"] does not started when starting DcsMaster ["</span> + master.getServerName() + <span class="jxr_string">"] add to restart queue."</span>);
-<a class="jxr_linenumber" name="547" href="#547">547</a> <em class="jxr_comment">// add to the restart handler</em>
-<a class="jxr_linenumber" name="548" href="#548">548</a> String simulatePath = hostName + <span class="jxr_string">":"</span> + instance + <span class="jxr_string">":0:"</span> + System.currentTimeMillis();
-<a class="jxr_linenumber" name="549" href="#549">549</a> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">RestartHandler</a> handler = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">RestartHandler</a>(simulatePath, serverCount);
-<a class="jxr_linenumber" name="550" href="#550">550</a> restartQueue.add(handler);
-<a class="jxr_linenumber" name="551" href="#551">551</a> }
-<a class="jxr_linenumber" name="552" href="#552">552</a> }
-<a class="jxr_linenumber" name="553" href="#553">553</a> }
-<a class="jxr_linenumber" name="554" href="#554">554</a>
-<a class="jxr_linenumber" name="555" href="#555">555</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> restartServer(String znodePath) <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="556" href="#556">556</a> String child = znodePath.replace(parentZnode
-<a class="jxr_linenumber" name="557" href="#557">557</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_RUNNING + <span class="jxr_string">"/"</span>, <span class="jxr_string">""</span>);
-<a class="jxr_linenumber" name="558" href="#558">558</a> Scanner scn = <strong class="jxr_keyword">new</strong> Scanner(child);
-<a class="jxr_linenumber" name="559" href="#559">559</a> scn.useDelimiter(<span class="jxr_string">":"</span>);
-<a class="jxr_linenumber" name="560" href="#560">560</a> String hostName = scn.next();
-<a class="jxr_linenumber" name="561" href="#561">561</a> String instance = scn.next();
-<a class="jxr_linenumber" name="562" href="#562">562</a> <strong class="jxr_keyword">int</strong> infoPort = Integer.parseInt(scn.next());
-<a class="jxr_linenumber" name="563" href="#563">563</a> <strong class="jxr_keyword">long</strong> serverStartTimestamp = Long.parseLong(scn.next());
-<a class="jxr_linenumber" name="564" href="#564">564</a> scn.close();
-<a class="jxr_linenumber" name="565" href="#565">565</a>
-<a class="jxr_linenumber" name="566" href="#566">566</a> <strong class="jxr_keyword">if</strong> (LOG.isErrorEnabled())
-<a class="jxr_linenumber" name="567" href="#567">567</a> LOG.error(<span class="jxr_string">"DcsServer ["</span> + hostName + <span class="jxr_string">":"</span> + instance + <span class="jxr_string">"] failed."</span>);
-<a class="jxr_linenumber" name="568" href="#568">568</a>
-<a class="jxr_linenumber" name="569" href="#569">569</a> <strong class="jxr_keyword">if</strong> (runningServers.contains(child)) {
-<a class="jxr_linenumber" name="570" href="#570">570</a> LOG.debug(<span class="jxr_string">"Found ["</span> + child
-<a class="jxr_linenumber" name="571" href="#571">571</a> + <span class="jxr_string">"], deleting from running servers list"</span>);
-<a class="jxr_linenumber" name="572" href="#572">572</a> runningServers.remove(child);
-<a class="jxr_linenumber" name="573" href="#573">573</a> metrics.setTotalRunning(runningServers.size());
-<a class="jxr_linenumber" name="574" href="#574">574</a> }
-<a class="jxr_linenumber" name="575" href="#575">575</a>
-<a class="jxr_linenumber" name="576" href="#576">576</a> <em class="jxr_comment">// Extract the server count for the restarting instance</em>
-<a class="jxr_linenumber" name="577" href="#577">577</a> <strong class="jxr_keyword">int</strong> count = 1;
-<a class="jxr_linenumber" name="578" href="#578">578</a> <strong class="jxr_keyword">boolean</strong> found = false;
-<a class="jxr_linenumber" name="579" href="#579">579</a> <strong class="jxr_keyword">for</strong> (String aServer : configuredServers) {
-<a class="jxr_linenumber" name="580" href="#580">580</a> scn = <strong class="jxr_keyword">new</strong> Scanner(aServer);
-<a class="jxr_linenumber" name="581" href="#581">581</a> scn.useDelimiter(<span class="jxr_string">":"</span>);
-<a class="jxr_linenumber" name="582" href="#582">582</a> String srvrHostName = scn.next();
-<a class="jxr_linenumber" name="583" href="#583">583</a> String srvrInstance = scn.next();
-<a class="jxr_linenumber" name="584" href="#584">584</a> <strong class="jxr_keyword">int</strong> srvrCount = <strong class="jxr_keyword">new</strong> Integer(scn.next()).intValue();
-<a class="jxr_linenumber" name="585" href="#585">585</a> scn.close();
-<a class="jxr_linenumber" name="586" href="#586">586</a> <strong class="jxr_keyword">if</strong> (srvrHostName.equals(hostName) && srvrInstance.equals(instance)) {
-<a class="jxr_linenumber" name="587" href="#587">587</a> LOG.debug(<span class="jxr_string">"Found ["</span> + srvrHostName + <span class="jxr_string">":"</span> + srvrInstance + <span class="jxr_string">":"</span>
-<a class="jxr_linenumber" name="588" href="#588">588</a> + srvrCount + <span class="jxr_string">"] in configured servers"</span>);
-<a class="jxr_linenumber" name="589" href="#589">589</a> found = <strong class="jxr_keyword">true</strong>;
-<a class="jxr_linenumber" name="590" href="#590">590</a> <strong class="jxr_keyword">if</strong> (srvrCount > 0)
-<a class="jxr_linenumber" name="591" href="#591">591</a> count = srvrCount;
-<a class="jxr_linenumber" name="592" href="#592">592</a> <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="593" href="#593">593</a> }
-<a class="jxr_linenumber" name="594" href="#594">594</a> }
-<a class="jxr_linenumber" name="595" href="#595">595</a>
-<a class="jxr_linenumber" name="596" href="#596">596</a> <em class="jxr_comment">// For local-servers.sh don't restart anything that's not in the servers</em>
-<a class="jxr_linenumber" name="597" href="#597">597</a> <em class="jxr_comment">// file</em>
-<a class="jxr_linenumber" name="598" href="#598">598</a> <strong class="jxr_keyword">if</strong> (!found) {
-<a class="jxr_linenumber" name="599" href="#599">599</a> LOG.info(<span class="jxr_string">"DcsServer ["</span> + hostName + <span class="jxr_string">":"</span> + instance
-<a class="jxr_linenumber" name="600" href="#600">600</a> + <span class="jxr_string">"] not in servers file. Not restarting"</span>);
-<a class="jxr_linenumber" name="601" href="#601">601</a> <strong class="jxr_keyword">return</strong>;
+<a class="jxr_linenumber" name="416" href="#416">416</a>
+<a class="jxr_linenumber" name="417" href="#417">417</a> <strong class="jxr_keyword">public</strong> String toString() {
+<a class="jxr_linenumber" name="418" href="#418">418</a> <strong class="jxr_keyword">return</strong> sb.toString();
+<a class="jxr_linenumber" name="419" href="#419">419</a> }
+<a class="jxr_linenumber" name="420" href="#420">420</a> }
+<a class="jxr_linenumber" name="421" href="#421">421</a>
+<a class="jxr_linenumber" name="422" href="#422">422</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> createServersPortMap() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="423" href="#423">423</a> serverPortMap.clear();
+<a class="jxr_linenumber" name="424" href="#424">424</a>
+<a class="jxr_linenumber" name="425" href="#425">425</a> <strong class="jxr_keyword">for</strong> (String aServer : configuredServers) {
+<a class="jxr_linenumber" name="426" href="#426">426</a> Scanner scn = <strong class="jxr_keyword">new</strong> Scanner(aServer);
+<a class="jxr_linenumber" name="427" href="#427">427</a> scn.useDelimiter(<span class="jxr_string">":"</span>);
+<a class="jxr_linenumber" name="428" href="#428">428</a> String hostName = scn.next();
+<a class="jxr_linenumber" name="429" href="#429">429</a> <strong class="jxr_keyword">int</strong> instance = Integer.parseInt(scn.next());
+<a class="jxr_linenumber" name="430" href="#430">430</a> <strong class="jxr_keyword">int</strong> childCount = Integer.parseInt(scn.next());
+<a class="jxr_linenumber" name="431" href="#431">431</a> scn.close();
+<a class="jxr_linenumber" name="432" href="#432">432</a>
+<a class="jxr_linenumber" name="433" href="#433">433</a> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">ServerPortMap</a> spm = serverPortMap.get(hostName);
+<a class="jxr_linenumber" name="434" href="#434">434</a> <strong class="jxr_keyword">if</strong> (spm == <strong class="jxr_keyword">null</strong>)
+<a class="jxr_linenumber" name="435" href="#435">435</a> spm = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">ServerPortMap</a>();
+<a class="jxr_linenumber" name="436" href="#436">436</a> spm.add(instance, childCount);
+<a class="jxr_linenumber" name="437" href="#437">437</a> serverPortMap.put(hostName, spm);
+<a class="jxr_linenumber" name="438" href="#438">438</a> }
+<a class="jxr_linenumber" name="439" href="#439">439</a>
+<a class="jxr_linenumber" name="440" href="#440">440</a> StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder();
+<a class="jxr_linenumber" name="441" href="#441">441</a> <strong class="jxr_keyword">for</strong> (Map.Entry<String, ServerPortMap> entry : serverPortMap.entrySet()) {
+<a class="jxr_linenumber" name="442" href="#442">442</a> LOG.debug((<span class="jxr_string">"Key = "</span> + entry.getKey() + <span class="jxr_string">", Value = "</span> + entry
+<a class="jxr_linenumber" name="443" href="#443">443</a> .getValue()));
+<a class="jxr_linenumber" name="444" href="#444">444</a> sb.append(entry.getValue());
+<a class="jxr_linenumber" name="445" href="#445">445</a> sb.append(<span class="jxr_string">":"</span>);
+<a class="jxr_linenumber" name="446" href="#446">446</a> }
+<a class="jxr_linenumber" name="447" href="#447">447</a>
+<a class="jxr_linenumber" name="448" href="#448">448</a> LOG.debug(<span class="jxr_string">"Setting "</span> + parentZnode
+<a class="jxr_linenumber" name="449" href="#449">449</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_REGISTERED
+<a class="jxr_linenumber" name="450" href="#450">450</a> + <span class="jxr_string">" data ["</span> + sb.toString() + <span class="jxr_string">"]"</span>);
+<a class="jxr_linenumber" name="451" href="#451">451</a> byte[] data = Bytes.toBytes(sb.toString());
+<a class="jxr_linenumber" name="452" href="#452">452</a> zkc.setData(parentZnode
+<a class="jxr_linenumber" name="453" href="#453">453</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_REGISTERED, data,
+<a class="jxr_linenumber" name="454" href="#454">454</a> -1);
+<a class="jxr_linenumber" name="455" href="#455">455</a> }
+<a class="jxr_linenumber" name="456" href="#456">456</a>
+<a class="jxr_linenumber" name="457" href="#457">457</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> getZkRunning() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="458" href="#458">458</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
+<a class="jxr_linenumber" name="459" href="#459">459</a> LOG.debug(<span class="jxr_string">"Reading "</span> + parentZnode
+<a class="jxr_linenumber" name="460" href="#460">460</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_RUNNING);
+<a class="jxr_linenumber" name="461" href="#461">461</a> List<String> children = getChildren(parentZnode
+<a class="jxr_linenumber" name="462" href="#462">462</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_RUNNING,
+<a class="jxr_linenumber" name="463" href="#463">463</a> <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">RunningWatcher</a>());
+<a class="jxr_linenumber" name="464" href="#464">464</a>
+<a class="jxr_linenumber" name="465" href="#465">465</a> <strong class="jxr_keyword">if</strong> (!children.isEmpty()) {
+<a class="jxr_linenumber" name="466" href="#466">466</a> <strong class="jxr_keyword">for</strong> (String child : children) {
+<a class="jxr_linenumber" name="467" href="#467">467</a> <em class="jxr_comment">// If stop-dcs.sh is executed and DCS_MANAGES_ZK then zookeeper</em>
+<a class="jxr_linenumber" name="468" href="#468">468</a> <em class="jxr_comment">// is stopped abruptly.</em>
+<a class="jxr_linenumber" name="469" href="#469">469</a> <em class="jxr_comment">// Second scenario is when ZooKeeper fails for some reason</em>
+<a class="jxr_linenumber" name="470" href="#470">470</a> <em class="jxr_comment">// regardless of whether DCS</em>
+<a class="jxr_linenumber" name="471" href="#471">471</a> <em class="jxr_comment">// manages it. When either happens the DcsServer running znodes</em>
+<a class="jxr_linenumber" name="472" href="#472">472</a> <em class="jxr_comment">// still exist in ZooKeeper</em>
+<a class="jxr_linenumber" name="473" href="#473">473</a> <em class="jxr_comment">// and we see them at next startup. When they eventually timeout</em>
+<a class="jxr_linenumber" name="474" href="#474">474</a> <em class="jxr_comment">// we get node deleted events for a server that no longer</em>
+<a class="jxr_linenumber" name="475" href="#475">475</a> <em class="jxr_comment">// exists. So, only recognize</em>
+<a class="jxr_linenumber" name="476" href="#476">476</a> <em class="jxr_comment">// DcsServer running znodes that have timestamps after last</em>
+<a class="jxr_linenumber" name="477" href="#477">477</a> <em class="jxr_comment">// DcsMaster startup.</em>
+<a class="jxr_linenumber" name="478" href="#478">478</a> Scanner scn = <strong class="jxr_keyword">new</strong> Scanner(child);
+<a class="jxr_linenumber" name="479" href="#479">479</a> scn.useDelimiter(<span class="jxr_string">":"</span>);
+<a class="jxr_linenumber" name="480" href="#480">480</a> String hostName = scn.next();
+<a class="jxr_linenumber" name="481" href="#481">481</a> String instance = scn.next();
+<a class="jxr_linenumber" name="482" href="#482">482</a> <strong class="jxr_keyword">int</strong> infoPort = Integer.parseInt(scn.next());
+<a class="jxr_linenumber" name="483" href="#483">483</a> <strong class="jxr_keyword">long</strong> serverStartTimestamp = Long.parseLong(scn.next());
+<a class="jxr_linenumber" name="484" href="#484">484</a> scn.close();
+<a class="jxr_linenumber" name="485" href="#485">485</a>
+<a class="jxr_linenumber" name="486" href="#486">486</a> <em class="jxr_comment">// If we are DcsMaster follower that is taking over from failed</em>
+<a class="jxr_linenumber" name="487" href="#487">487</a> <em class="jxr_comment">// one then ignore timestamp issues described above.</em>
+<a class="jxr_linenumber" name="488" href="#488">488</a> <em class="jxr_comment">// See MasterLeaderElection.elect()</em>
+<a class="jxr_linenumber" name="489" href="#489">489</a> <strong class="jxr_keyword">if</strong> (master.isFollower() == false) {
+<a class="jxr_linenumber" name="490" href="#490">490</a> <strong class="jxr_keyword">if</strong> (serverStartTimestamp < startupTimestamp)
+<a class="jxr_linenumber" name="491" href="#491">491</a> <strong class="jxr_keyword">continue</strong>;
+<a class="jxr_linenumber" name="492" href="#492">492</a> }
+<a class="jxr_linenumber" name="493" href="#493">493</a>
+<a class="jxr_linenumber" name="494" href="#494">494</a> <strong class="jxr_keyword">if</strong> (!runningServers.contains(child)) {
+<a class="jxr_linenumber" name="495" href="#495">495</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
+<a class="jxr_linenumber" name="496" href="#496">496</a> LOG.debug(<span class="jxr_string">"Watching running ["</span> + child + <span class="jxr_string">"]"</span>);
+<a class="jxr_linenumber" name="497" href="#497">497</a> zkc.exists(parentZnode
+<a class="jxr_linenumber" name="498" href="#498">498</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_RUNNING
+<a class="jxr_linenumber" name="499" href="#499">499</a> + <span class="jxr_string">"/"</span> + child, <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">RunningWatcher</a>());
+<a class="jxr_linenumber" name="500" href="#500">500</a> runningServers.add(child);
+<a class="jxr_linenumber" name="501" href="#501">501</a> }
+<a class="jxr_linenumber" name="502" href="#502">502</a> }
+<a class="jxr_linenumber" name="503" href="#503">503</a> metrics.setTotalRunning(runningServers.size());
+<a class="jxr_linenumber" name="504" href="#504">504</a> } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="505" href="#505">505</a> metrics.setTotalRunning(0);
+<a class="jxr_linenumber" name="506" href="#506">506</a> }
+<a class="jxr_linenumber" name="507" href="#507">507</a> }
+<a class="jxr_linenumber" name="508" href="#508">508</a>
+<a class="jxr_linenumber" name="509" href="#509">509</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> getUnwathedServers() {
+<a class="jxr_linenumber" name="510" href="#510">510</a> <em class="jxr_comment">// In some situation when open HA, if DCS Server does not have znode info in zookeeper</em>
+<a class="jxr_linenumber" name="511" href="#511">511</a> <em class="jxr_comment">// when DCS Master is starting, then server will never be watched by zookeeper,</em>
+<a class="jxr_linenumber" name="512" href="#512">512</a> <em class="jxr_comment">// and if it downs, it will never be restarted.</em>
+<a class="jxr_linenumber" name="513" href="#513">513</a>
+<a class="jxr_linenumber" name="514" href="#514">514</a> <em class="jxr_comment">// configuredServers</em>
+<a class="jxr_linenumber" name="515" href="#515">515</a> <em class="jxr_comment">// hostName + ":" + lineNum + ":" + serverCount</em>
+<a class="jxr_linenumber" name="516" href="#516">516</a> <em class="jxr_comment">// runningServers</em>
+<a class="jxr_linenumber" name="517" href="#517">517</a> <em class="jxr_comment">// hostName + ":" + instance + ":" + infoPort + ":" + serverStartTimestamp</em>
+<a class="jxr_linenumber" name="518" href="#518">518</a> <em class="jxr_comment">// eg : gy26.esgyncn.local:3:24413:1515056285028</em>
+<a class="jxr_linenumber" name="519" href="#519">519</a> <em class="jxr_comment">// RestartHandler need to know hostName, instanceNum(lineNum), serverStartTimestamp(for if condition)</em>
+<a class="jxr_linenumber" name="520" href="#520">520</a> <strong class="jxr_keyword">if</strong> (!master.isFollower() || runningServers.size() == configuredServers.size()) {
+<a class="jxr_linenumber" name="521" href="#521">521</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled()) {
+<a class="jxr_linenumber" name="522" href="#522">522</a> <strong class="jxr_keyword">if</strong> (!master.isFollower()) {
+<a class="jxr_linenumber" name="523" href="#523">523</a> LOG.debug(<span class="jxr_string">"dcs master start normally, no need to add watchers"</span>);
+<a class="jxr_linenumber" name="524" href="#524">524</a> } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="525" href="#525">525</a> LOG.debug(<span class="jxr_string">"backup master start, all dcs servers have started, no need to add watchers"</span>);
+<a class="jxr_linenumber" name="526" href="#526">526</a> }
+<a class="jxr_linenumber" name="527" href="#527">527</a> }
+<a class="jxr_linenumber" name="528" href="#528">528</a> <strong class="jxr_keyword">return</strong>;
+<a class="jxr_linenumber" name="529" href="#529">529</a> }
+<a class="jxr_linenumber" name="530" href="#530">530</a>
+<a class="jxr_linenumber" name="531" href="#531">531</a> <strong class="jxr_keyword">boolean</strong> found = false;
+<a class="jxr_linenumber" name="532" href="#532">532</a> <strong class="jxr_keyword">for</strong> (String configured : configuredServers) {
+<a class="jxr_linenumber" name="533" href="#533">533</a> Scanner configuredScn = <strong class="jxr_keyword">new</strong> Scanner(configured);
+<a class="jxr_linenumber" name="534" href="#534">534</a> configuredScn.useDelimiter(<span class="jxr_string">":"</span>);
+<a class="jxr_linenumber" name="535" href="#535">535</a> String hostName = configuredScn.next();
+<a class="jxr_linenumber" name="536" href="#536">536</a> <strong class="jxr_keyword">int</strong> instance = Integer.parseInt(configuredScn.next());
+<a class="jxr_linenumber" name="537" href="#537">537</a> <strong class="jxr_keyword">int</strong> serverCount = Integer.parseInt(configuredScn.next());
+<a class="jxr_linenumber" name="538" href="#538">538</a> configuredScn.close();
+<a class="jxr_linenumber" name="539" href="#539">539</a> <strong class="jxr_keyword">for</strong> (String running : runningServers) {
+<a class="jxr_linenumber" name="540" href="#540">540</a> Scanner runningScn = <strong class="jxr_keyword">new</strong> Scanner(running);
+<a class="jxr_linenumber" name="541" href="#541">541</a> runningScn.useDelimiter(<span class="jxr_string">":"</span>);
+<a class="jxr_linenumber" name="542" href="#542">542</a> String runningHostName = runningScn.next();
+<a class="jxr_linenumber" name="543" href="#543">543</a>
+<a class="jxr_linenumber" name="544" href="#544">544</a> runningScn.close();
+<a class="jxr_linenumber" name="545" href="#545">545</a> <strong class="jxr_keyword">if</strong> (runningHostName.equals(hostName)) {
+<a class="jxr_linenumber" name="546" href="#546">546</a> found = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="547" href="#547">547</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="548" href="#548">548</a> }
+<a class="jxr_linenumber" name="549" href="#549">549</a> }
+<a class="jxr_linenumber" name="550" href="#550">550</a> <strong class="jxr_keyword">if</strong> (found) {
+<a class="jxr_linenumber" name="551" href="#551">551</a> found = false;
+<a class="jxr_linenumber" name="552" href="#552">552</a> <strong class="jxr_keyword">continue</strong>;
+<a class="jxr_linenumber" name="553" href="#553">553</a> } <strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="554" href="#554">554</a> LOG.error(<span class="jxr_string">"DcsServer ["</span> + hostName + <span class="jxr_string">":"</span> + instance + <span class="jxr_string">"] does not started when starting DcsMaster ["</span> + master.getServerName() + <span class="jxr_string">"] add to restart queue."</span>);
+<a class="jxr_linenumber" name="555" href="#555">555</a> <em class="jxr_comment">// add to the restart handler</em>
+<a class="jxr_linenumber" name="556" href="#556">556</a> String simulatePath = hostName + <span class="jxr_string">":"</span> + instance + <span class="jxr_string">":0:"</span> + System.currentTimeMillis();
+<a class="jxr_linenumber" name="557" href="#557">557</a> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">RestartHandler</a> handler = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">RestartHandler</a>(simulatePath, serverCount);
+<a class="jxr_linenumber" name="558" href="#558">558</a> restartQueue.add(handler);
+<a class="jxr_linenumber" name="559" href="#559">559</a> }
+<a class="jxr_linenumber" name="560" href="#560">560</a> }
+<a class="jxr_linenumber" name="561" href="#561">561</a> }
+<a class="jxr_linenumber" name="562" href="#562">562</a>
+<a class="jxr_linenumber" name="563" href="#563">563</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> restartServer(String znodePath) <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="564" href="#564">564</a> String child = znodePath.replace(parentZnode
+<a class="jxr_linenumber" name="565" href="#565">565</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_RUNNING + <span class="jxr_string">"/"</span>, <span class="jxr_string">""</span>);
+<a class="jxr_linenumber" name="566" href="#566">566</a> Scanner scn = <strong class="jxr_keyword">new</strong> Scanner(child);
+<a class="jxr_linenumber" name="567" href="#567">567</a> scn.useDelimiter(<span class="jxr_string">":"</span>);
+<a class="jxr_linenumber" name="568" href="#568">568</a> String hostName = scn.next();
+<a class="jxr_linenumber" name="569" href="#569">569</a> String instance = scn.next();
+<a class="jxr_linenumber" name="570" href="#570">570</a> <strong class="jxr_keyword">int</strong> infoPort = Integer.parseInt(scn.next());
+<a class="jxr_linenumber" name="571" href="#571">571</a> <strong class="jxr_keyword">long</strong> serverStartTimestamp = Long.parseLong(scn.next());
+<a class="jxr_linenumber" name="572" href="#572">572</a> scn.close();
+<a class="jxr_linenumber" name="573" href="#573">573</a>
+<a class="jxr_linenumber" name="574" href="#574">574</a> <strong class="jxr_keyword">if</strong> (LOG.isErrorEnabled())
+<a class="jxr_linenumber" name="575" href="#575">575</a> LOG.error(<span class="jxr_string">"DcsServer ["</span> + hostName + <span class="jxr_string">":"</span> + instance + <span class="jxr_string">"] failed."</span>);
+<a class="jxr_linenumber" name="576" href="#576">576</a>
+<a class="jxr_linenumber" name="577" href="#577">577</a> <strong class="jxr_keyword">if</strong> (runningServers.contains(child)) {
+<a class="jxr_linenumber" name="578" href="#578">578</a> LOG.debug(<span class="jxr_string">"Found ["</span> + child
+<a class="jxr_linenumber" name="579" href="#579">579</a> + <span class="jxr_string">"], deleting from running servers list"</span>);
+<a class="jxr_linenumber" name="580" href="#580">580</a> runningServers.remove(child);
+<a class="jxr_linenumber" name="581" href="#581">581</a> metrics.setTotalRunning(runningServers.size());
+<a class="jxr_linenumber" name="582" href="#582">582</a> }
+<a class="jxr_linenumber" name="583" href="#583">583</a>
+<a class="jxr_linenumber" name="584" href="#584">584</a> <em class="jxr_comment">// Extract the server count for the restarting instance</em>
+<a class="jxr_linenumber" name="585" href="#585">585</a> <strong class="jxr_keyword">int</strong> count = 1;
+<a class="jxr_linenumber" name="586" href="#586">586</a> <strong class="jxr_keyword">boolean</strong> found = false;
+<a class="jxr_linenumber" name="587" href="#587">587</a> <strong class="jxr_keyword">for</strong> (String aServer : configuredServers) {
+<a class="jxr_linenumber" name="588" href="#588">588</a> scn = <strong class="jxr_keyword">new</strong> Scanner(aServer);
+<a class="jxr_linenumber" name="589" href="#589">589</a> scn.useDelimiter(<span class="jxr_string">":"</span>);
+<a class="jxr_linenumber" name="590" href="#590">590</a> String srvrHostName = scn.next();
+<a class="jxr_linenumber" name="591" href="#591">591</a> String srvrInstance = scn.next();
+<a class="jxr_linenumber" name="592" href="#592">592</a> <strong class="jxr_keyword">int</strong> srvrCount = <strong class="jxr_keyword">new</strong> Integer(scn.next()).intValue();
+<a class="jxr_linenumber" name="593" href="#593">593</a> scn.close();
+<a class="jxr_linenumber" name="594" href="#594">594</a> <strong class="jxr_keyword">if</strong> (srvrHostName.equals(hostName) && srvrInstance.equals(instance)) {
+<a class="jxr_linenumber" name="595" href="#595">595</a> LOG.debug(<span class="jxr_string">"Found ["</span> + srvrHostName + <span class="jxr_string">":"</span> + srvrInstance + <span class="jxr_string">":"</span>
+<a class="jxr_linenumber" name="596" href="#596">596</a> + srvrCount + <span class="jxr_string">"] in configured servers"</span>);
+<a class="jxr_linenumber" name="597" href="#597">597</a> found = <strong class="jxr_keyword">true</strong>;
+<a class="jxr_linenumber" name="598" href="#598">598</a> <strong class="jxr_keyword">if</strong> (srvrCount > 0)
+<a class="jxr_linenumber" name="599" href="#599">599</a> count = srvrCount;
+<a class="jxr_linenumber" name="600" href="#600">600</a> <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="601" href="#601">601</a> }
<a class="jxr_linenumber" name="602" href="#602">602</a> }
<a class="jxr_linenumber" name="603" href="#603">603</a>
-<a class="jxr_linenumber" name="604" href="#604">604</a> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">RestartHandler</a> handler = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">RestartHandler</a>(child, count);
-<a class="jxr_linenumber" name="605" href="#605">605</a> restartQueue.add(handler);
-<a class="jxr_linenumber" name="606" href="#606">606</a>
-<a class="jxr_linenumber" name="607" href="#607">607</a> }
-<a class="jxr_linenumber" name="608" href="#608">608</a>
-<a class="jxr_linenumber" name="609" href="#609">609</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> getZkRegistered() <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="610" href="#610">610</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
-<a class="jxr_linenumber" name="611" href="#611">611</a> LOG.debug(<span class="jxr_string">"Reading "</span> + parentZnode
-<a class="jxr_linenumber" name="612" href="#612">612</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_REGISTERED);
-<a class="jxr_linenumber" name="613" href="#613">613</a> List<String> children = getChildren(parentZnode
-<a class="jxr_linenumber" name="614" href="#614">614</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_REGISTERED,
-<a class="jxr_linenumber" name="615" href="#615">615</a> <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">RegisteredWatcher</a>());
+<a class="jxr_linenumber" name="604" href="#604">604</a> <em class="jxr_comment">// For local-servers.sh don't restart anything that's not in the servers</em>
+<a class="jxr_linenumber" name="605" href="#605">605</a> <em class="jxr_comment">// file</em>
+<a class="jxr_linenumber" name="606" href="#606">606</a> <strong class="jxr_keyword">if</strong> (!found) {
+<a class="jxr_linenumber" name="607" href="#607">607</a> LOG.info(<span class="jxr_string">"DcsServer ["</span> + hostName + <span class="jxr_string">":"</span> + instance
+<a class="jxr_linenumber" name="608" href="#608">608</a> + <span class="jxr_string">"] not in servers file. Not restarting"</span>);
+<a class="jxr_linenumber" name="609" href="#609">609</a> <strong class="jxr_keyword">return</strong>;
+<a class="jxr_linenumber" name="610" href="#610">610</a> }
+<a class="jxr_linenumber" name="611" href="#611">611</a>
+<a class="jxr_linenumber" name="612" href="#612">612</a> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">RestartHandler</a> handler = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">RestartHandler</a>(child, count);
+<a class="jxr_linenumber" name="613" href="#613">613</a> restartQueue.add(handler);
+<a class="jxr_linenumber" name="614" href="#614">614</a>
+<a class="jxr_linenumber" name="615" href="#615">615</a> }
<a class="jxr_linenumber" name="616" href="#616">616</a>
-<a class="jxr_linenumber" name="617" href="#617">617</a> <strong class="jxr_keyword">if</strong> (!children.isEmpty()) {
-<a class="jxr_linenumber" name="618" href="#618">618</a> registeredServers.clear();
-<a class="jxr_linenumber" name="619" href="#619">619</a> <strong class="jxr_keyword">for</strong> (String child : children) {
-<a class="jxr_linenumber" name="620" href="#620">620</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
-<a class="jxr_linenumber" name="621" href="#621">621</a> LOG.debug(<span class="jxr_string">"Registered ["</span> + child + <span class="jxr_string">"]"</span>);
-<a class="jxr_linenumber" name="622" href="#622">622</a> registeredServers.add(child);
-<a class="jxr_linenumber" name="623" href="#623">623</a> }
-<a class="jxr_linenumber" name="624" href="#624">624</a> metrics.setTotalRegistered(registeredServers.size());
-<a class="jxr_linenumber" name="625" href="#625">625</a> } <strong class="jxr_keyword">else</strong> {
-<a class="jxr_linenumber" name="626" href="#626">626</a> metrics.setTotalRegistered(0);
-<a class="jxr_linenumber" name="627" href="#627">627</a> }
-<a class="jxr_linenumber" name="628" href="#628">628</a> }
-<a class="jxr_linenumber" name="629" href="#629">629</a>
-<a class="jxr_linenumber" name="630" href="#630">630</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">synchronized</strong> List<RunningServer> getServersList() {
-<a class="jxr_linenumber" name="631" href="#631">631</a> ArrayList<RunningServer> serverList = <strong class="jxr_keyword">new</strong> ArrayList<RunningServer>();
-<a class="jxr_linenumber" name="632" href="#632">632</a> Stat stat = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="633" href="#633">633</a> byte[] data = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="634" href="#634">634</a>
-<a class="jxr_linenumber" name="635" href="#635">635</a> <strong class="jxr_keyword">int</strong> totalAvailable = 0;
-<a class="jxr_linenumber" name="636" href="#636">636</a> <strong class="jxr_keyword">int</strong> totalConnecting = 0;
-<a class="jxr_linenumber" name="637" href="#637">637</a> <strong class="jxr_keyword">int</strong> totalConnected = 0;
-<a class="jxr_linenumber" name="638" href="#638">638</a>
-<a class="jxr_linenumber" name="639" href="#639">639</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
-<a class="jxr_linenumber" name="640" href="#640">640</a> LOG.debug(<span class="jxr_string">"Begin getServersList()"</span>);
-<a class="jxr_linenumber" name="641" href="#641">641</a>
-<a class="jxr_linenumber" name="642" href="#642">642</a> <strong class="jxr_keyword">if</strong> (!runningServers.isEmpty()) {
-<a class="jxr_linenumber" name="643" href="#643">643</a> <strong class="jxr_keyword">for</strong> (String aRunningServer : runningServers) {
-<a class="jxr_linenumber" name="644" href="#644">644</a> <a href="../../../../org/trafodion/dcs/master/RunningServer.html">RunningServer</a> runningServer = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/master/RunningServer.html">RunningServer</a>();
-<a class="jxr_linenumber" name="645" href="#645">645</a> Scanner scn = <strong class="jxr_keyword">new</strong> Scanner(aRunningServer);
-<a class="jxr_linenumber" name="646" href="#646">646</a> scn.useDelimiter(<span class="jxr_string">":"</span>);
-<a class="jxr_linenumber" name="647" href="#647">647</a> runningServer.setHostname(scn.next());
-<a class="jxr_linenumber" name="648" href="#648">648</a> runningServer.setInstance(scn.next());
-<a class="jxr_linenumber" name="649" href="#649">649</a> runningServer.setInfoPort(Integer.parseInt(scn.next()));
-<a class="jxr_linenumber" name="650" href="#650">650</a> runningServer.setStartTime(Long.parseLong(scn.next()));
-<a class="jxr_linenumber" name="651" href="#651">651</a> scn.close();
-<a class="jxr_linenumber" name="652" href="#652">652</a>
-<a class="jxr_linenumber" name="653" href="#653">653</a> <strong class="jxr_keyword">if</strong> (!registeredServers.isEmpty()) {
-<a class="jxr_linenumber" name="654" href="#654">654</a> <strong class="jxr_keyword">for</strong> (String aRegisteredServer : registeredServers) {
-<a class="jxr_linenumber" name="655" href="#655">655</a> <strong class="jxr_keyword">if</strong> (aRegisteredServer.contains(runningServer
-<a class="jxr_linenumber" name="656" href="#656">656</a> .getHostname()
-<a class="jxr_linenumber" name="657" href="#657">657</a> + <span class="jxr_string">":"</span>
-<a class="jxr_linenumber" name="658" href="#658">658</a> + runningServer.getInstance() + <span class="jxr_string">":"</span>)) {
-<a class="jxr_linenumber" name="659" href="#659">659</a> <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="660" href="#660">660</a> <a href="../../../../org/trafodion/dcs/master/RegisteredServer.html">RegisteredServer</a> registeredServer = <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/master/RegisteredServer.html">RegisteredServer</a>();
-<a class="jxr_linenumber" name="661" href="#661">661</a> stat = zkc
-<a class="jxr_linenumber" name="662" href="#662">662</a> .exists(parentZnode
-<a class="jxr_linenumber" name="663" href="#663">663</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_REGISTERED
-<a class="jxr_linenumber" name="664" href="#664">664</a> + <span class="jxr_string">"/"</span> + aRegisteredServer,
-<a class="jxr_linenumber" name="665" href="#665">665</a> false);
-<a class="jxr_linenumber" name="666" href="#666">666</a> <strong class="jxr_keyword">if</strong> (stat != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="667" href="#667">667</a> data = zkc
-<a class="jxr_linenumber" name="668" href="#668">668</a> .getData(
-<a class="jxr_linenumber" name="669" href="#669">669</a> parentZnode
-<a class="jxr_linenumber" name="670" href="#670">670</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_REGISTERED
-<a class="jxr_linenumber" name="671" href="#671">671</a> + <span class="jxr_string">"/"</span>
-<a class="jxr_linenumber" name="672" href="#672">672</a> + aRegisteredServer,
-<a class="jxr_linenumber" name="673" href="#673">673</a> false, stat);
-<a class="jxr_linenumber" name="674" href="#674">674</a> scn = <strong class="jxr_keyword">new</strong> Scanner(<strong class="jxr_keyword">new</strong> String(data));
-<a class="jxr_linenumber" name="675" href="#675">675</a> scn.useDelimiter(<span class="jxr_string">":"</span>);
-<a class="jxr_linenumber" name="676" href="#676">676</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
-<a class="jxr_linenumber" name="677" href="#677">677</a> LOG.debug(<span class="jxr_string">"getDataRegistered ["</span>
-<a class="jxr_linenumber" name="678" href="#678">678</a> + <strong class="jxr_keyword">new</strong> String(data) + <span class="jxr_string">"]"</span>);
-<a class="jxr_linenumber" name="679" href="#679">679</a> registeredServer.setState(scn.next());
-<a class="jxr_linenumber" name="680" href="#680">680</a> String state = registeredServer.getState();
-<a class="jxr_linenumber" name="681" href="#681">681</a> <strong class="jxr_keyword">if</strong> (state.equals(<span class="jxr_string">"AVAILABLE"</span>))
-<a class="jxr_linenumber" name="682" href="#682">682</a> totalAvailable += 1;
-<a class="jxr_linenumber" name="683" href="#683">683</a> <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (state.equals(<span class="jxr_string">"CONNECTING"</span>))
-<a class="jxr_linenumber" name="684" href="#684">684</a> totalConnecting += 1;
-<a class="jxr_linenumber" name="685" href="#685">685</a> <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (state.equals(<span class="jxr_string">"CONNECTED"</span>))
-<a class="jxr_linenumber" name="686" href="#686">686</a> totalConnected += 1;
-<a class="jxr_linenumber" name="687" href="#687">687</a> registeredServer.setTimestamp(Long
-<a class="jxr_linenumber" name="688" href="#688">688</a> .parseLong(scn.next()));
-<a class="jxr_linenumber" name="689" href="#689">689</a> registeredServer.setDialogueId(scn.next());
-<a class="jxr_linenumber" name="690" href="#690">690</a> registeredServer.setNid(scn.next());
-<a class="jxr_linenumber" name="691" href="#691">691</a> registeredServer.setPid(scn.next());
-<a class="jxr_linenumber" name="692" href="#692">692</a> registeredServer.setProcessName(scn.next());
-<a class="jxr_linenumber" name="693" href="#693">693</a> registeredServer.setIpAddress(scn.next());
-<a class="jxr_linenumber" name="694" href="#694">694</a> registeredServer.setPort(scn.next());
-<a class="jxr_linenumber" name="695" href="#695">695</a> registeredServer.setClientName(scn.next());
-<a class="jxr_linenumber" name="696" href="#696">696</a> registeredServer.setClientIpAddress(scn
-<a class="jxr_linenumber" name="697" href="#697">697</a> .next());
-<a class="jxr_linenumber" name="698" href="#698">698</a> registeredServer.setClientPort(scn.next());
-<a class="jxr_linenumber" name="699" href="#699">699</a> registeredServer.setClientAppl(scn.next());
-<a class="jxr_linenumber" name="700" href="#700">700</a> registeredServer.setIsRegistered();
-<a class="jxr_linenumber" name="701" href="#701">701</a> scn.close();
-<a class="jxr_linenumber" name="702" href="#702">702</a> runningServer.getRegistered().add(
-<a class="jxr_linenumber" name="703" href="#703">703</a> registeredServer);
-<a class="jxr_linenumber" name="704" href="#704">704</a> }
-<a class="jxr_linenumber" name="705" href="#705">705</a> } <strong class="jxr_keyword">catch</strong> (Exception e) {
-<a class="jxr_linenumber" name="706" href="#706">706</a> e.printStackTrace();
-<a class="jxr_linenumber" name="707" href="#707">707</a> <strong class="jxr_keyword">if</strong> (LOG.isErrorEnabled())
-<a class="jxr_linenumber" name="708" href="#708">708</a> LOG.error(<span class="jxr_string">"Exception: "</span> + e.getMessage());
-<a class="jxr_linenumber" name="709" href="#709">709</a> }
-<a class="jxr_linenumber" name="710" href="#710">710</a> }
-<a class="jxr_linenumber" name="711" href="#711">711</a> }
-<a class="jxr_linenumber" name="712" href="#712">712</a> }
-<a class="jxr_linenumber" name="713" href="#713">713</a>
-<a class="jxr_linenumber" name="714" href="#714">714</a> serverList.add(runningServer);
-<a class="jxr_linenumber" name="715" href="#715">715</a> }
-<a class="jxr_linenumber" name="716" href="#716">716</a> }
-<a class="jxr_linenumber" name="717" href="#717">717</a>
-<a class="jxr_linenumber" name="718" href="#718">718</a> metrics.setTotalAvailable(totalAvailable);
-<a class="jxr_linenumber" name="719" href="#719">719</a> metrics.setTotalConnecting(totalConnecting);
-<a class="jxr_linenumber" name="720" href="#720">720</a> metrics.setTotalConnected(totalConnected);
+<a class="jxr_linenumber" name="617" href="#617">617</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">synchronized</strong> <strong class="jxr_keyword">void</strong> getZkRegistered() <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="618" href="#618">618</a> <strong class="jxr_keyword">if</strong> (LOG.isDebugEnabled())
+<a class="jxr_linenumber" name="619" href="#619">619</a> LOG.debug(<span class="jxr_string">"Reading "</span> + parentZnode
+<a class="jxr_linenumber" name="620" href="#620">620</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_REGISTERED);
+<a class="jxr_linenumber" name="621" href="#621">621</a> List<String> children = getChildren(parentZnode
+<a class="jxr_linenumber" name="622" href="#622">622</a> + Constants.DEFAULT_ZOOKEEPER_ZNODE_SERVERS_REGISTERED,
+<a class="jxr_linenumber" name="623" href="#623">623</a> <strong class="jxr_keyword">new</strong> <a href="../../../../org/trafodion/dcs/master/ServerManager.html">RegisteredWatcher</a>());
+<a class="jxr_linenumber" name="624" href="#624">624</a>
+<a class="jxr_linenumber" name="625" href="#625">625</a> <strong class="jxr_keyword">if</strong> (!children.isEmpty()) {
+<a class="jxr_linenumber" name="626" href="#626">626</a> registeredServers.clear();
+<
<TRUNCATED>