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Posted to oak-commits@jackrabbit.apache.org by al...@apache.org on 2016/05/25 09:28:30 UTC

svn commit: r1745464 - in /jackrabbit/oak/branches/1.2: ./ oak-tarmk-standby/src/main/java/org/apache/jackrabbit/oak/plugins/segment/standby/client/ oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/ oak-tarmk-standby/src/test/j...

Author: alexparvulescu
Date: Wed May 25 09:28:30 2016
New Revision: 1745464

URL: http://svn.apache.org/viewvc?rev=1745464&view=rev
Log:
OAK-3109 OOME in tarkmk standby tests
 - merged r1691201, r1691498, r1692272, r1695829, r1695830



Modified:
    jackrabbit/oak/branches/1.2/   (props changed)
    jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/main/java/org/apache/jackrabbit/oak/plugins/segment/standby/client/SegmentLoaderHandler.java
    jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/main/java/org/apache/jackrabbit/oak/plugins/segment/standby/client/StandbyClient.java
    jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/main/java/org/apache/jackrabbit/oak/plugins/segment/standby/client/StandbyClientHandler.java
    jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/NetworkErrorProxy.java
    jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/standby/DataStoreTestBase.java
    jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/standby/ExternalSharedStoreIT.java
    jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/standby/TestBase.java

Propchange: jackrabbit/oak/branches/1.2/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Wed May 25 09:28:30 2016
@@ -1,3 +1,3 @@
 /jackrabbit/oak/branches/1.0:1665962
-/jackrabbit/oak/trunk:1672350,1672468,1672537,1672603,1672611,1672642,1672644,1672834-1672835,1673351,1673410,1673414-1673415,1673436,1673644,1673662-1673664,1673669,1673695,1673713,1673738,1673787,1673791,1674046,1674065,1674075,1674107,1674228,1674780,1674880,1675054-1675055,1675319,1675332,1675354,1675357,1675382,1675555,1675566,1675593,1676198,1676237,1676407,1676458,1676539,1676670,1676693,1676703,1676725,1677579,1677581,1677609,1677611,1677774,1677788,1677797,1677804,1677806,1677939,1677991,1678023,1678095-1678096,1678124,1678171,1678173,1678202,1678211,1678323,1678758,1678938,1678954,1679144,1679165,1679191,1679232,1679235,1679503,1679958,1679961,1680170,1680172,1680182,1680222,1680232,1680236,1680461,1680633,1680643,1680747,1680805-1680806,1680903,1681282,1681767,1681918,1681921,1681955,1682042,1682218,1682235,1682437,1682488,1682494,1682555,1682855,1682904,1683059,1683089,1683213,1683249,1683259,1683278,1683323,1683687,1683700,1684174-1684175,1684186,1684376,1684442,1684561
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 3,1723347,1723350,1723565,1723584,1723713,1723731,1724026,1724057,1724186,1724210,1724401,1724628,1724631,1725216,1725477,1725515,1725555,1725941,1725960,1726232,1726237,1726570,1726579,1726585-1726586,1726621,1726795,1726797,1726809,1726812,1726981,1726993,1727026,1727254,1727331,1727350,1727358,1727429,1727476,1727483,1727508,1727515-1727518,1727893,1727895,1728037,1728041,1728070,1728114,1728281,1728443,1728642,1729200,1729505,1729599,1729957,1729979,1730216,1730527,1730581,1730629,1730801,1731627,1731647-1731648,1731789,1731797,1732131,1732268,1732278,1732647-1732648,1732864,1733929,1734230,1734254,1735052,1735405,1735484,1735588,1736176,1737309-1737310,1737334,1737349,1738833,1738950,1738957,1739894,1740116,1740971,1741032,1741339,1741343,1742520,1742888,1742916,1743097,1743172,1743343,1744265,1744959,1745038,1745197
+/jackrabbit/oak/trunk:1672350,1672468,1672537,1672603,1672611,1672642,1672644,1672834-1672835,1673351,1673410,1673414-1673415,1673436,1673644,1673662-1673664,1673669,1673695,1673713,1673738,1673787,1673791,1674046,1674065,1674075,1674107,1674228,1674780,1674880,1675054-1675055,1675319,1675332,1675354,1675357,1675382,1675555,1675566,1675593,1676198,1676237,1676407,1676458,1676539,1676670,1676693,1676703,1676725,1677579,1677581,1677609,1677611,1677774,1677788,1677797,1677804,1677806,1677939,1677991,1678023,1678095-1678096,1678124,1678171,1678173,1678202,1678211,1678323,1678758,1678938,1678954,1679144,1679165,1679191,1679232,1679235,1679503,1679958,1679961,1680170,1680172,1680182,1680222,1680232,1680236,1680461,1680633,1680643,1680747,1680805-1680806,1680903,1681282,1681767,1681918,1681921,1681955,1682042,1682218,1682235,1682437,1682488,1682494,1682555,1682855,1682904,1683059,1683089,1683213,1683249,1683259,1683278,1683323,1683687,1683700,1684174-1684175,1684186,1684376,1684442,1684561
 ,1684570,1684601,1684618,1684669,1684820,1684868,1684894,1685023,1685075,1685370,1685541,1685552,1685589-1685590,1685840,1685964,1685977,1685989,1685999,1686003,1686023,1686032,1686097,1686162,1686229,1686234,1686253,1686414,1686772,1686780,1686790,1686854,1686857,1686971,1687053-1687055,1687175,1687196,1687198,1687220,1687239-1687240,1687301,1687441,1687553,1688089-1688090,1688172,1688179,1688349,1688421,1688436,1688453,1688616,1688622,1688634,1688636,1688817,1689003-1689004,1689008,1689577,1689581,1689623,1689810,1689828,1689831,1689833,1689903,1690017,1690043,1690047,1690057,1690247,1690249,1690634-1690637,1690650,1690669,1690674,1690885,1690941,1691139,1691151,1691159,1691167,1691183,1691188,1691201,1691210,1691217-1691218,1691280,1691307,1691331-1691333,1691345,1691384-1691385,1691401,1691498,1691509,1692133-1692134,1692156,1692250,1692272,1692274,1692363,1692382,1692478,1692955,1693002,1693030,1693050,1693209,1693401,1693421,1693525-1693526,1694007,1694393-1694394,1694651,1694
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 7,1723239,1723241,1723251,1723254,1723333,1723347,1723350,1723565,1723584,1723713,1723731,1724026,1724057,1724186,1724210,1724401,1724628,1724631,1725216,1725477,1725515,1725555,1725941,1725960,1726232,1726237,1726570,1726579,1726585-1726586,1726621,1726795,1726797,1726809,1726812,1726981,1726993,1727026,1727254,1727331,1727350,1727358,1727429,1727476,1727483,1727508,1727515-1727518,1727893,1727895,1728037,1728041,1728070,1728114,1728281,1728443,1728642,1729200,1729505,1729599,1729957,1729979,1730216,1730527,1730581,1730629,1730801,1731627,1731647-1731648,1731789,1731797,1732131,1732268,1732278,1732647-1732648,1732864,1733929,1734230,1734254,1735052,1735405,1735484,1735588,1736176,1737309-1737310,1737334,1737349,1738833,1738950,1738957,1739894,1740116,1740971,1741032,1741339,1741343,1742520,1742888,1742916,1743097,1743172,1743343,1744265,1744959,1745038,1745197
 /jackrabbit/trunk:1345480

Modified: jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/main/java/org/apache/jackrabbit/oak/plugins/segment/standby/client/SegmentLoaderHandler.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/main/java/org/apache/jackrabbit/oak/plugins/segment/standby/client/SegmentLoaderHandler.java?rev=1745464&r1=1745463&r2=1745464&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/main/java/org/apache/jackrabbit/oak/plugins/segment/standby/client/SegmentLoaderHandler.java (original)
+++ jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/main/java/org/apache/jackrabbit/oak/plugins/segment/standby/client/SegmentLoaderHandler.java Wed May 25 09:28:30 2016
@@ -207,10 +207,6 @@ public class SegmentLoaderHandler extend
     @Override
     public void close() {
         ctx.close();
-        if (loaderExecutor != null && !loaderExecutor.isShuttingDown()) {
-            loaderExecutor.shutdownGracefully(1, 2, TimeUnit.SECONDS)
-                    .syncUninterruptibly();
-        }
     }
 
     @Override

Modified: jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/main/java/org/apache/jackrabbit/oak/plugins/segment/standby/client/StandbyClient.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/main/java/org/apache/jackrabbit/oak/plugins/segment/standby/client/StandbyClient.java?rev=1745464&r1=1745463&r2=1745464&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/main/java/org/apache/jackrabbit/oak/plugins/segment/standby/client/StandbyClient.java (original)
+++ jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/main/java/org/apache/jackrabbit/oak/plugins/segment/standby/client/StandbyClient.java Wed May 25 09:28:30 2016
@@ -148,8 +148,8 @@ public final class StandbyClient impleme
             }
             state = STATUS_STARTING;
             executor = new DefaultEventExecutorGroup(4);
-            handler = new StandbyClientHandler(this.store, executor, observer,
-                    running, readTimeoutMs, autoClean);
+            handler = new StandbyClientHandler(this.store, observer, running,
+                    readTimeoutMs, autoClean);
             group = new NioEventLoopGroup();
 
             b = new Bootstrap();
@@ -200,13 +200,17 @@ public final class StandbyClient impleme
 
     private void shutdownNetty() {
         if (group != null && !group.isShuttingDown()) {
-            group.shutdownGracefully(1, 2, TimeUnit.SECONDS)
+            group.shutdownGracefully(1, 1, TimeUnit.SECONDS)
                     .syncUninterruptibly();
         }
         if (executor != null && !executor.isShuttingDown()) {
-            executor.shutdownGracefully(1, 2, TimeUnit.SECONDS)
+            executor.shutdownGracefully(1, 1, TimeUnit.SECONDS)
                     .syncUninterruptibly();
         }
+        if (handler != null) {
+            handler.close();
+            handler = null;
+        }
     }
 
     @Override

Modified: jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/main/java/org/apache/jackrabbit/oak/plugins/segment/standby/client/StandbyClientHandler.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/main/java/org/apache/jackrabbit/oak/plugins/segment/standby/client/StandbyClientHandler.java?rev=1745464&r1=1745463&r2=1745464&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/main/java/org/apache/jackrabbit/oak/plugins/segment/standby/client/StandbyClientHandler.java (original)
+++ jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/main/java/org/apache/jackrabbit/oak/plugins/segment/standby/client/StandbyClientHandler.java Wed May 25 09:28:30 2016
@@ -19,6 +19,7 @@
 package org.apache.jackrabbit.oak.plugins.segment.standby.client;
 
 import static org.apache.jackrabbit.oak.plugins.segment.standby.codec.Messages.newGetHeadReq;
+import io.netty.channel.ChannelHandler;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.channel.SimpleChannelInboundHandler;
 import io.netty.util.concurrent.DefaultEventExecutorGroup;
@@ -43,7 +44,6 @@ public class StandbyClientHandler extend
             .getLogger(StandbyClientHandler.class);
 
     private final StandbyStore store;
-    private final EventExecutorGroup executor;
     private final CommunicationObserver observer;
     private final AtomicBoolean running;
     private final int readTimeoutMs;
@@ -53,10 +53,9 @@ public class StandbyClientHandler extend
     private ChannelHandlerContext ctx;
 
     public StandbyClientHandler(final StandbyStore store,
-            EventExecutorGroup executor, CommunicationObserver observer,
-            AtomicBoolean running, int readTimeoutMs, boolean autoClean) {
+            CommunicationObserver observer, AtomicBoolean running,
+            int readTimeoutMs, boolean autoClean) {
         this.store = store;
-        this.executor = executor;
         this.observer = observer;
         this.running = running;
         this.readTimeoutMs = readTimeoutMs;
@@ -87,7 +86,6 @@ public class StandbyClientHandler extend
         if (store.getHead().getRecordId().equals(head)) {
             // all sync'ed up
             log.debug("no changes on sync.");
-            ctx.close();
             return;
         }
 
@@ -114,14 +112,17 @@ public class StandbyClientHandler extend
     }
 
     @Override
-    public void close() {
-        ctx.close();
-        if (!executor.isShuttingDown()) {
-            executor.shutdownGracefully(1, 2, TimeUnit.SECONDS)
-                    .syncUninterruptibly();
+    public synchronized void close() {
+        if (ctx != null) {
+            for (ChannelHandler h : ctx.pipeline().toMap().values()) {
+                ctx.pipeline().remove(h);
+            }
+
+            ctx.close();
+            ctx = null;
         }
         if (loaderExecutor != null && !loaderExecutor.isShuttingDown()) {
-            loaderExecutor.shutdownGracefully(1, 2, TimeUnit.SECONDS)
+            loaderExecutor.shutdownGracefully(1, 1, TimeUnit.SECONDS)
                     .syncUninterruptibly();
         }
     }

Modified: jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/NetworkErrorProxy.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/NetworkErrorProxy.java?rev=1745464&r1=1745463&r2=1745464&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/NetworkErrorProxy.java (original)
+++ jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/NetworkErrorProxy.java Wed May 25 09:28:30 2016
@@ -33,7 +33,7 @@ import org.slf4j.LoggerFactory;
 import java.util.concurrent.TimeUnit;
 
 public class NetworkErrorProxy {
-    private static final Logger log = LoggerFactory
+    static final Logger log = LoggerFactory
             .getLogger(NetworkErrorProxy.class);
 
     private final int inboundPort;
@@ -168,7 +168,7 @@ class ForwardHandler extends ChannelInbo
 
     @Override
     public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
-        cause.printStackTrace();
+        NetworkErrorProxy.log.debug(cause.getMessage(), cause);
         ctx.close();
     }
 }
@@ -233,7 +233,7 @@ class SendBackHandler implements Channel
 
     @Override
     public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
-        cause.printStackTrace();
+        NetworkErrorProxy.log.debug(cause.getMessage(), cause);
         this.target.close();
     }
 

Modified: jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/standby/DataStoreTestBase.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/standby/DataStoreTestBase.java?rev=1745464&r1=1745463&r2=1745464&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/standby/DataStoreTestBase.java (original)
+++ jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/standby/DataStoreTestBase.java Wed May 25 09:28:30 2016
@@ -18,8 +18,18 @@
  */
 package org.apache.jackrabbit.oak.plugins.segment.standby;
 
-import com.google.common.io.ByteStreams;
+import static org.junit.Assert.assertArrayEquals;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
 
+import java.io.ByteArrayInputStream;
+import java.io.File;
+import java.io.IOException;
+import java.util.Random;
+
+import com.google.common.io.ByteStreams;
 import org.apache.jackrabbit.core.data.FileDataStore;
 import org.apache.jackrabbit.oak.api.Blob;
 import org.apache.jackrabbit.oak.api.CommitFailedException;
@@ -38,13 +48,6 @@ import org.apache.jackrabbit.oak.spi.sta
 import org.junit.Before;
 import org.junit.Test;
 
-import java.io.ByteArrayInputStream;
-import java.io.File;
-import java.io.IOException;
-import java.util.Random;
-
-import static org.junit.Assert.*;
-
 public class DataStoreTestBase extends TestBase {
 
     protected boolean storesCanBeEqual = false;
@@ -59,7 +62,12 @@ public class DataStoreTestBase extends T
         fds.setMinRecordLength(4092);
         fds.init(path);
         DataStoreBlobStore blobStore = new DataStoreBlobStore(fds);
-        return new FileStore(blobStore, d, 1, false);
+        return FileStore.newFileStore(d)
+            .withMaxFileSize(1)
+            .withMemoryMapping(false)
+            .withNoCache()
+            .withBlobStore(blobStore)
+            .create();
     }
 
     protected byte[] addTestContent(NodeStore store, String child, int size)

Modified: jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/standby/ExternalSharedStoreIT.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/standby/ExternalSharedStoreIT.java?rev=1745464&r1=1745463&r2=1745464&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/standby/ExternalSharedStoreIT.java (original)
+++ jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/standby/ExternalSharedStoreIT.java Wed May 25 09:28:30 2016
@@ -19,17 +19,13 @@
 package org.apache.jackrabbit.oak.plugins.segment.standby;
 
 import static org.apache.jackrabbit.oak.plugins.segment.SegmentTestUtils.createTmpTargetDir;
-import static org.junit.Assume.assumeTrue;
 
 import java.io.File;
 import java.io.IOException;
 
 import org.apache.commons.io.FileUtils;
-import org.apache.jackrabbit.oak.commons.CIHelper;
 import org.apache.jackrabbit.oak.plugins.segment.file.FileStore;
-
 import org.junit.After;
-import org.junit.Before;
 
 public class ExternalSharedStoreIT extends DataStoreTestBase {
     private File externalStore;
@@ -39,11 +35,6 @@ public class ExternalSharedStoreIT exten
         this.storesCanBeEqual = true;
     }
 
-    @Before
-    public void checkEnvironment() {
-        assumeTrue(!CIHelper.travis());
-    }
-
     @After
     public void after() {
         closeServerAndClient();

Modified: jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/standby/TestBase.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/standby/TestBase.java?rev=1745464&r1=1745463&r2=1745464&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/standby/TestBase.java (original)
+++ jackrabbit/oak/branches/1.2/oak-tarmk-standby/src/test/java/org/apache/jackrabbit/oak/plugins/segment/standby/TestBase.java Wed May 25 09:28:30 2016
@@ -18,19 +18,27 @@
  */
 package org.apache.jackrabbit.oak.plugins.segment.standby;
 
-import org.apache.commons.io.FileUtils;
-import org.apache.commons.lang3.SystemUtils;
-import org.apache.jackrabbit.oak.plugins.segment.file.FileStore;
+import static org.apache.jackrabbit.oak.plugins.segment.SegmentTestUtils.createTmpTargetDir;
+import static org.junit.Assume.assumeTrue;
 
 import java.io.File;
 import java.io.IOException;
+import java.util.Set;
 
-import static org.apache.jackrabbit.oak.plugins.segment.SegmentTestUtils.createTmpTargetDir;
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.lang3.SystemUtils;
+import org.apache.jackrabbit.oak.commons.CIHelper;
+import org.apache.jackrabbit.oak.commons.FixturesHelper;
+import org.apache.jackrabbit.oak.commons.FixturesHelper.Fixture;
+import org.apache.jackrabbit.oak.plugins.segment.file.FileStore;
+import org.junit.BeforeClass;
 
 public class TestBase {
     int port = Integer.valueOf(System.getProperty("standby.server.port", "52800"));
     final static String LOCALHOST = "127.0.0.1";
 
+    private static final Set<Fixture> FIXTURES = FixturesHelper.getFixtures();
+
     File directoryS;
     FileStore storeS;
 
@@ -46,6 +54,12 @@ public class TestBase {
     */
     protected final boolean noDualStackSupport = SystemUtils.IS_OS_WINDOWS && SystemUtils.IS_JAVA_1_6;
 
+    @BeforeClass
+    public static void assumptions() {
+        assumeTrue(!CIHelper.travis());
+        assumeTrue(FIXTURES.contains(Fixture.SEGMENT_MK));
+    }
+
     public void setUpServerAndClient() throws IOException {
         // server
         directoryS = createTmpTargetDir("FailoverServerTest");
@@ -56,8 +70,16 @@ public class TestBase {
         storeC = setupSecondary(directoryC);
     }
 
+    private static FileStore newFileStore(File directory) throws IOException {
+        return FileStore.newFileStore(directory)
+            .withMaxFileSize(1)
+            .withMemoryMapping(false)
+            .withNoCache()
+            .create();
+    }
+
     protected FileStore setupPrimary(File directory) throws IOException {
-        return new FileStore(directory, 1, false);
+        return newFileStore(directory);
     }
 
     protected FileStore getPrimary() {
@@ -65,7 +87,7 @@ public class TestBase {
     }
 
     protected FileStore setupSecondary(File directory) throws IOException {
-        return new FileStore(directoryC, 1, false);
+        return newFileStore(directoryC);
     }
 
     protected FileStore getSecondary() {
@@ -80,7 +102,7 @@ public class TestBase {
         setUpServerAndClient();
 
         directoryC2 = createTmpTargetDir("FailoverClient2Test");
-        storeC2 = new FileStore(directoryC2, 1, false);
+        storeC2 = newFileStore(directoryC2);
     }
 
     public void closeServerAndClient() {