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Posted to commits@lucene.apache.org by er...@apache.org on 2013/08/16 20:43:09 UTC

svn commit: r1514843 - in /lucene/dev/branches/branch_4x: ./ dev-tools/ lucene/ lucene/analysis/ lucene/analysis/icu/src/java/org/apache/lucene/collation/ lucene/backwards/ lucene/benchmark/ lucene/classification/ lucene/classification/src/ lucene/code...

Author: erick
Date: Fri Aug 16 18:43:07 2013
New Revision: 1514843

URL: http://svn.apache.org/r1514843
Log:
SOLR-4718 Allow solr.xml to be stored in ZooKeeper

Added:
    lucene/dev/branches/branch_4x/solr/core/src/test/org/apache/solr/cloud/SolrXmlInZkTest.java
      - copied unchanged from r1514800, lucene/dev/trunk/solr/core/src/test/org/apache/solr/cloud/SolrXmlInZkTest.java
Modified:
    lucene/dev/branches/branch_4x/   (props changed)
    lucene/dev/branches/branch_4x/dev-tools/   (props changed)
    lucene/dev/branches/branch_4x/lucene/   (props changed)
    lucene/dev/branches/branch_4x/lucene/BUILD.txt   (props changed)
    lucene/dev/branches/branch_4x/lucene/CHANGES.txt   (props changed)
    lucene/dev/branches/branch_4x/lucene/JRE_VERSION_MIGRATION.txt   (props changed)
    lucene/dev/branches/branch_4x/lucene/LICENSE.txt   (props changed)
    lucene/dev/branches/branch_4x/lucene/MIGRATE.txt   (props changed)
    lucene/dev/branches/branch_4x/lucene/NOTICE.txt   (props changed)
    lucene/dev/branches/branch_4x/lucene/README.txt   (props changed)
    lucene/dev/branches/branch_4x/lucene/SYSTEM_REQUIREMENTS.txt   (props changed)
    lucene/dev/branches/branch_4x/lucene/analysis/   (props changed)
    lucene/dev/branches/branch_4x/lucene/analysis/icu/src/java/org/apache/lucene/collation/ICUCollationKeyFilterFactory.java   (props changed)
    lucene/dev/branches/branch_4x/lucene/backwards/   (props changed)
    lucene/dev/branches/branch_4x/lucene/benchmark/   (props changed)
    lucene/dev/branches/branch_4x/lucene/build.xml   (props changed)
    lucene/dev/branches/branch_4x/lucene/classification/   (props changed)
    lucene/dev/branches/branch_4x/lucene/classification/build.xml   (props changed)
    lucene/dev/branches/branch_4x/lucene/classification/ivy.xml   (props changed)
    lucene/dev/branches/branch_4x/lucene/classification/src/   (props changed)
    lucene/dev/branches/branch_4x/lucene/codecs/   (props changed)
    lucene/dev/branches/branch_4x/lucene/common-build.xml   (props changed)
    lucene/dev/branches/branch_4x/lucene/core/   (props changed)
    lucene/dev/branches/branch_4x/lucene/core/src/test/org/apache/lucene/index/TestBackwardsCompatibility.java   (props changed)
    lucene/dev/branches/branch_4x/lucene/core/src/test/org/apache/lucene/index/index.40.cfs.zip   (props changed)
    lucene/dev/branches/branch_4x/lucene/core/src/test/org/apache/lucene/index/index.40.nocfs.zip   (props changed)
    lucene/dev/branches/branch_4x/lucene/core/src/test/org/apache/lucene/index/index.40.optimized.cfs.zip   (props changed)
    lucene/dev/branches/branch_4x/lucene/core/src/test/org/apache/lucene/index/index.40.optimized.nocfs.zip   (props changed)
    lucene/dev/branches/branch_4x/lucene/core/src/test/org/apache/lucene/search/TestSort.java   (props changed)
    lucene/dev/branches/branch_4x/lucene/core/src/test/org/apache/lucene/search/TestSortDocValues.java   (props changed)
    lucene/dev/branches/branch_4x/lucene/core/src/test/org/apache/lucene/search/TestSortRandom.java   (props changed)
    lucene/dev/branches/branch_4x/lucene/core/src/test/org/apache/lucene/search/TestTopFieldCollector.java   (props changed)
    lucene/dev/branches/branch_4x/lucene/core/src/test/org/apache/lucene/search/TestTotalHitCountCollector.java   (props changed)
    lucene/dev/branches/branch_4x/lucene/demo/   (props changed)
    lucene/dev/branches/branch_4x/lucene/facet/   (props changed)
    lucene/dev/branches/branch_4x/lucene/grouping/   (props changed)
    lucene/dev/branches/branch_4x/lucene/highlighter/   (props changed)
    lucene/dev/branches/branch_4x/lucene/ivy-settings.xml   (props changed)
    lucene/dev/branches/branch_4x/lucene/join/   (props changed)
    lucene/dev/branches/branch_4x/lucene/licenses/   (props changed)
    lucene/dev/branches/branch_4x/lucene/memory/   (props changed)
    lucene/dev/branches/branch_4x/lucene/misc/   (props changed)
    lucene/dev/branches/branch_4x/lucene/module-build.xml   (props changed)
    lucene/dev/branches/branch_4x/lucene/queries/   (props changed)
    lucene/dev/branches/branch_4x/lucene/queries/src/test/org/apache/lucene/queries/function/TestFunctionQuerySort.java   (props changed)
    lucene/dev/branches/branch_4x/lucene/queryparser/   (props changed)
    lucene/dev/branches/branch_4x/lucene/replicator/   (props changed)
    lucene/dev/branches/branch_4x/lucene/sandbox/   (props changed)
    lucene/dev/branches/branch_4x/lucene/site/   (props changed)
    lucene/dev/branches/branch_4x/lucene/spatial/   (props changed)
    lucene/dev/branches/branch_4x/lucene/suggest/   (props changed)
    lucene/dev/branches/branch_4x/lucene/test-framework/   (props changed)
    lucene/dev/branches/branch_4x/lucene/tools/   (props changed)
    lucene/dev/branches/branch_4x/solr/   (props changed)
    lucene/dev/branches/branch_4x/solr/CHANGES.txt   (contents, props changed)
    lucene/dev/branches/branch_4x/solr/LICENSE.txt   (props changed)
    lucene/dev/branches/branch_4x/solr/NOTICE.txt   (props changed)
    lucene/dev/branches/branch_4x/solr/README.txt   (props changed)
    lucene/dev/branches/branch_4x/solr/SYSTEM_REQUIREMENTS.txt   (props changed)
    lucene/dev/branches/branch_4x/solr/build.xml   (props changed)
    lucene/dev/branches/branch_4x/solr/cloud-dev/   (props changed)
    lucene/dev/branches/branch_4x/solr/common-build.xml   (props changed)
    lucene/dev/branches/branch_4x/solr/contrib/   (props changed)
    lucene/dev/branches/branch_4x/solr/core/   (props changed)
    lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/core/ConfigSolr.java
    lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/core/ConfigSolrXmlOld.java
    lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/core/SolrXMLCoresLocator.java
    lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/servlet/SolrDispatchFilter.java
    lucene/dev/branches/branch_4x/solr/core/src/test/org/apache/solr/core/TestConfig.java   (props changed)
    lucene/dev/branches/branch_4x/solr/core/src/test/org/apache/solr/core/TestLazyCores.java
    lucene/dev/branches/branch_4x/solr/core/src/test/org/apache/solr/core/TestSolrXmlPersistor.java
    lucene/dev/branches/branch_4x/solr/example/   (props changed)
    lucene/dev/branches/branch_4x/solr/licenses/   (props changed)
    lucene/dev/branches/branch_4x/solr/licenses/httpclient-LICENSE-ASL.txt   (props changed)
    lucene/dev/branches/branch_4x/solr/licenses/httpclient-NOTICE.txt   (props changed)
    lucene/dev/branches/branch_4x/solr/licenses/httpcore-LICENSE-ASL.txt   (props changed)
    lucene/dev/branches/branch_4x/solr/licenses/httpcore-NOTICE.txt   (props changed)
    lucene/dev/branches/branch_4x/solr/licenses/httpmime-LICENSE-ASL.txt   (props changed)
    lucene/dev/branches/branch_4x/solr/licenses/httpmime-NOTICE.txt   (props changed)
    lucene/dev/branches/branch_4x/solr/scripts/   (props changed)
    lucene/dev/branches/branch_4x/solr/site/   (props changed)
    lucene/dev/branches/branch_4x/solr/solrj/   (props changed)
    lucene/dev/branches/branch_4x/solr/test-framework/   (props changed)
    lucene/dev/branches/branch_4x/solr/webapp/   (props changed)

Modified: lucene/dev/branches/branch_4x/solr/CHANGES.txt
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/solr/CHANGES.txt?rev=1514843&r1=1514842&r2=1514843&view=diff
==============================================================================
--- lucene/dev/branches/branch_4x/solr/CHANGES.txt (original)
+++ lucene/dev/branches/branch_4x/solr/CHANGES.txt Fri Aug 16 18:43:07 2013
@@ -65,7 +65,9 @@ New Features
 * SOLR-5017: Allow sharding based on the value of a field (Noble Paul)
 * SOLR-4222: create custom sharded collection via collections API (Noble Paul)
 * SOLR-5156: Enhance ZkCLI to allow uploading of arbitrary files to ZK.
-
+* SOLR-4718: Allow solr.xml to be stored in ZooKeeper
+* SOLR-5156: Enhance ZkCLI to allow uploading of arbitrary files to ZK.
+err
 Bug Fixes
 ----------------------
 

Modified: lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/core/ConfigSolr.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/core/ConfigSolr.java?rev=1514843&r1=1514842&r2=1514843&view=diff
==============================================================================
--- lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/core/ConfigSolr.java (original)
+++ lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/core/ConfigSolr.java Fri Aug 16 18:43:07 2013
@@ -61,10 +61,7 @@ public abstract class ConfigSolr {
       else {
         inputStream = new FileInputStream(configFile);
       }
-      ByteArrayOutputStream baos = new ByteArrayOutputStream();
-      ByteStreams.copy(inputStream, baos);
-      String originalXml = IOUtils.toString(new ByteArrayInputStream(baos.toByteArray()), "UTF-8");
-      return fromInputStream(loader, new ByteArrayInputStream(baos.toByteArray()), configFile, originalXml);
+      return fromInputStream(loader, inputStream);
     }
     catch (Exception e) {
       throw new SolrException(SolrException.ErrorCode.SERVER_ERROR,
@@ -76,13 +73,17 @@ public abstract class ConfigSolr {
   }
 
   public static ConfigSolr fromString(String xml) {
-    return fromInputStream(null, new ByteArrayInputStream(xml.getBytes(Charsets.UTF_8)), null, xml);
+    return fromInputStream(null, new ByteArrayInputStream(xml.getBytes(Charsets.UTF_8)));
   }
 
-  public static ConfigSolr fromInputStream(SolrResourceLoader loader, InputStream is, File file, String originalXml) {
+  public static ConfigSolr fromInputStream(SolrResourceLoader loader, InputStream is) {
     try {
-      Config config = new Config(loader, null, new InputSource(is), null, false);
-      return fromConfig(config, file, originalXml);
+      ByteArrayOutputStream baos = new ByteArrayOutputStream();
+      ByteStreams.copy(is, baos);
+      String originalXml = IOUtils.toString(new ByteArrayInputStream(baos.toByteArray()), "UTF-8");
+      ByteArrayInputStream dup = new ByteArrayInputStream(baos.toByteArray());
+      Config config = new Config(loader, null, new InputSource(dup), null, false);
+      return fromConfig(config, originalXml);
     }
     catch (Exception e) {
       throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, e);
@@ -93,9 +94,9 @@ public abstract class ConfigSolr {
     return fromFile(loader, new File(solrHome, SOLR_XML_FILE));
   }
 
-  public static ConfigSolr fromConfig(Config config, File file, String originalXml) {
+  public static ConfigSolr fromConfig(Config config, String originalXml) {
     boolean oldStyle = (config.getNode("solr/cores", false) != null);
-    return oldStyle ? new ConfigSolrXmlOld(config, file, originalXml)
+    return oldStyle ? new ConfigSolrXmlOld(config, originalXml)
                     : new ConfigSolrXml(config);
   }
   

Modified: lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/core/ConfigSolrXmlOld.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/core/ConfigSolrXmlOld.java?rev=1514843&r1=1514842&r2=1514843&view=diff
==============================================================================
--- lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/core/ConfigSolrXmlOld.java (original)
+++ lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/core/ConfigSolrXmlOld.java Fri Aug 16 18:43:07 2013
@@ -55,15 +55,15 @@ public class ConfigSolrXmlOld extends Co
     return "solr/cores/shardHandlerFactory";
   }
 
-  public ConfigSolrXmlOld(Config config, File configFile, String originalXML) {
+  public ConfigSolrXmlOld(Config config, String originalXML) {
     super(config);
     try {
       checkForIllegalConfig();
       fillPropMap();
       config.substituteProperties();
       initCoreList();
-      this.persistor = isPersistent() ? new SolrXMLCoresLocator(configFile, originalXML, this)
-                                      : new SolrXMLCoresLocator.NonPersistingLocator(configFile, originalXML, this);
+      this.persistor = isPersistent() ? new SolrXMLCoresLocator(originalXML, this)
+                                      : new SolrXMLCoresLocator.NonPersistingLocator(originalXML, this);
     }
     catch (IOException e) {
       throw new SolrException(SolrException.ErrorCode.SERVER_ERROR, e);

Modified: lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/core/SolrXMLCoresLocator.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/core/SolrXMLCoresLocator.java?rev=1514843&r1=1514842&r2=1514843&view=diff
==============================================================================
--- lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/core/SolrXMLCoresLocator.java (original)
+++ lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/core/SolrXMLCoresLocator.java Fri Aug 16 18:43:07 2013
@@ -41,7 +41,6 @@ public class SolrXMLCoresLocator impleme
 
   private static final Logger logger = LoggerFactory.getLogger(SolrXMLCoresLocator.class);
 
-  private final File file;
   private final String solrXmlTemplate;
   private final ConfigSolrXmlOld cfg;
 
@@ -50,13 +49,11 @@ public class SolrXMLCoresLocator impleme
 
   /**
    * Create a new SolrXMLCoresLocator
-   * @param file          a File object representing the file to write out to
    * @param originalXML   the original content of the solr.xml file
    * @param cfg           the CoreContainer's config object
    */
-  public SolrXMLCoresLocator(File file, String originalXML, ConfigSolrXmlOld cfg) {
+  public SolrXMLCoresLocator(String originalXML, ConfigSolrXmlOld cfg) {
     this.solrXmlTemplate = buildTemplate(originalXML);
-    this.file = file;
     this.cfg = cfg;
   }
 
@@ -147,6 +144,7 @@ public class SolrXMLCoresLocator impleme
   }
 
   protected void doPersist(String xml) {
+    File file = new File(cfg.config.getResourceLoader().getInstanceDir(), ConfigSolr.SOLR_XML_FILE);
     try {
       Writer writer = new OutputStreamWriter(new FileOutputStream(file), Charsets.UTF_8);
       writer.write(xml);
@@ -204,8 +202,8 @@ public class SolrXMLCoresLocator impleme
 
   public static class NonPersistingLocator extends SolrXMLCoresLocator {
 
-    public NonPersistingLocator(File file, String originalXML, ConfigSolrXmlOld cfg) {
-      super(file, originalXML, cfg);
+    public NonPersistingLocator(String originalXML, ConfigSolrXmlOld cfg) {
+      super(originalXML, cfg);
       this.xml = originalXML;
     }
 

Modified: lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/servlet/SolrDispatchFilter.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/servlet/SolrDispatchFilter.java?rev=1514843&r1=1514842&r2=1514843&view=diff
==============================================================================
--- lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/servlet/SolrDispatchFilter.java (original)
+++ lucene/dev/branches/branch_4x/solr/core/src/java/org/apache/solr/servlet/SolrDispatchFilter.java Fri Aug 16 18:43:07 2013
@@ -18,12 +18,14 @@
 package org.apache.solr.servlet;
 
 import org.apache.commons.io.IOUtils;
+import org.apache.commons.lang.StringUtils;
 import org.apache.solr.common.SolrException;
 import org.apache.solr.common.SolrException.ErrorCode;
 import org.apache.solr.common.cloud.Aliases;
 import org.apache.solr.common.cloud.ClusterState;
 import org.apache.solr.common.cloud.Replica;
 import org.apache.solr.common.cloud.Slice;
+import org.apache.solr.common.cloud.SolrZkClient;
 import org.apache.solr.common.cloud.ZkCoreNodeProps;
 import org.apache.solr.common.cloud.ZkNodeProps;
 import org.apache.solr.common.cloud.ZkStateReader;
@@ -35,9 +37,11 @@ import org.apache.solr.common.util.Conte
 import org.apache.solr.common.util.NamedList;
 import org.apache.solr.common.util.SimpleOrderedMap;
 import org.apache.solr.common.util.StrUtils;
+import org.apache.solr.core.ConfigSolr;
 import org.apache.solr.core.CoreContainer;
 import org.apache.solr.core.SolrConfig;
 import org.apache.solr.core.SolrCore;
+import org.apache.solr.core.SolrResourceLoader;
 import org.apache.solr.handler.ContentStreamHandlerBase;
 import org.apache.solr.request.SolrQueryRequest;
 import org.apache.solr.request.SolrQueryRequestBase;
@@ -60,6 +64,7 @@ import javax.servlet.ServletRequest;
 import javax.servlet.ServletResponse;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
@@ -131,12 +136,44 @@ public class SolrDispatchFilter implemen
     log.info("SolrDispatchFilter.init() done");
   }
 
+  private ConfigSolr loadConfigSolr(SolrResourceLoader loader) {
+
+    String solrxmlLocation = System.getProperty("solr.solrxml.location", "solrhome");
+
+    if (solrxmlLocation == null || "solrhome".equalsIgnoreCase(solrxmlLocation))
+      return ConfigSolr.fromSolrHome(loader, loader.getInstanceDir());
+
+    if ("zookeeper".equalsIgnoreCase(solrxmlLocation)) {
+      String zkHost = System.getProperty("zkHost");
+      log.info("Trying to read solr.xml from " + zkHost);
+      if (StringUtils.isEmpty(zkHost))
+        throw new SolrException(ErrorCode.SERVER_ERROR,
+            "Could not load solr.xml from zookeeper: zkHost system property not set");
+      SolrZkClient zkClient = new SolrZkClient(zkHost, 30000);
+      try {
+        if (!zkClient.exists("/solr.xml", true))
+          throw new SolrException(ErrorCode.SERVER_ERROR, "Could not load solr.xml from zookeeper: node not found");
+        byte[] data = zkClient.getData("/solr.xml", null, null, true);
+        return ConfigSolr.fromInputStream(loader, new ByteArrayInputStream(data));
+      } catch (Exception e) {
+        throw new SolrException(ErrorCode.SERVER_ERROR, "Could not load solr.xml from zookeeper", e);
+      } finally {
+        zkClient.close();
+      }
+    }
+
+    throw new SolrException(ErrorCode.SERVER_ERROR,
+        "Bad solr.solrxml.location set: " + solrxmlLocation + " - should be 'solrhome' or 'zookeeper'");
+  }
+
   /**
    * Override this to change CoreContainer initialization
    * @return a CoreContainer to hold this server's cores
    */
   protected CoreContainer createCoreContainer() {
-    CoreContainer cores = new CoreContainer();
+    SolrResourceLoader loader = new SolrResourceLoader(SolrResourceLoader.locateSolrHome());
+    ConfigSolr config = loadConfigSolr(loader);
+    CoreContainer cores = new CoreContainer(loader, config);
     cores.load();
     return cores;
   }

Modified: lucene/dev/branches/branch_4x/solr/core/src/test/org/apache/solr/core/TestLazyCores.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/solr/core/src/test/org/apache/solr/core/TestLazyCores.java?rev=1514843&r1=1514842&r2=1514843&view=diff
==============================================================================
--- lucene/dev/branches/branch_4x/solr/core/src/test/org/apache/solr/core/TestLazyCores.java (original)
+++ lucene/dev/branches/branch_4x/solr/core/src/test/org/apache/solr/core/TestLazyCores.java Fri Aug 16 18:43:07 2013
@@ -69,7 +69,7 @@ public class TestLazyCores extends SolrT
     FileUtils.write(solrXml, LOTS_SOLR_XML, IOUtils.CHARSET_UTF_8.toString());
     ConfigSolrXmlOld config = (ConfigSolrXmlOld) ConfigSolr.fromFile(loader, solrXml);
 
-    CoresLocator locator = new SolrXMLCoresLocator.NonPersistingLocator(solrXml, LOTS_SOLR_XML, config);
+    CoresLocator locator = new SolrXMLCoresLocator.NonPersistingLocator(LOTS_SOLR_XML, config);
 
 
     final CoreContainer cores = new CoreContainer(loader, config, locator);

Modified: lucene/dev/branches/branch_4x/solr/core/src/test/org/apache/solr/core/TestSolrXmlPersistor.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_4x/solr/core/src/test/org/apache/solr/core/TestSolrXmlPersistor.java?rev=1514843&r1=1514842&r2=1514843&view=diff
==============================================================================
--- lucene/dev/branches/branch_4x/solr/core/src/test/org/apache/solr/core/TestSolrXmlPersistor.java (original)
+++ lucene/dev/branches/branch_4x/solr/core/src/test/org/apache/solr/core/TestSolrXmlPersistor.java Fri Aug 16 18:43:07 2013
@@ -35,7 +35,7 @@ public class TestSolrXmlPersistor {
 
     final String solrxml = "<solr><cores adminHandler=\"/admin\"/></solr>";
 
-    SolrXMLCoresLocator persistor = new SolrXMLCoresLocator(new File("testfile.xml"), solrxml, null);
+    SolrXMLCoresLocator persistor = new SolrXMLCoresLocator(solrxml, null);
     assertEquals(persistor.buildSolrXML(EMPTY_CD_LIST),
         "<solr><cores adminHandler=\"/admin\"></cores></solr>");
 
@@ -45,7 +45,7 @@ public class TestSolrXmlPersistor {
   public void emptyCoresTagIsPersisted() {
     final String solrxml = "<solr><cores adminHandler=\"/admin\"></cores></solr>";
 
-    SolrXMLCoresLocator persistor = new SolrXMLCoresLocator(new File("testfile.xml"), solrxml, null);
+    SolrXMLCoresLocator persistor = new SolrXMLCoresLocator(solrxml, null);
     assertEquals(persistor.buildSolrXML(EMPTY_CD_LIST), "<solr><cores adminHandler=\"/admin\"></cores></solr>");
   }
 
@@ -53,7 +53,7 @@ public class TestSolrXmlPersistor {
   public void emptySolrXmlIsPersisted() {
     final String solrxml = "<solr></solr>";
 
-    SolrXMLCoresLocator persistor = new SolrXMLCoresLocator(new File("testfile.xml"), solrxml, null);
+    SolrXMLCoresLocator persistor = new SolrXMLCoresLocator(solrxml, null);
     assertEquals(persistor.buildSolrXML(EMPTY_CD_LIST), "<solr><cores></cores></solr>");
   }
 
@@ -68,7 +68,7 @@ public class TestSolrXmlPersistor {
     final CoreDescriptor cd = new CoreDescriptor(cc, "testcore", "instance/dir/");
     List<CoreDescriptor> cds = ImmutableList.of(cd);
 
-    SolrXMLCoresLocator persistor = new SolrXMLCoresLocator(new File("testfile.xml"), solrxml, null);
+    SolrXMLCoresLocator persistor = new SolrXMLCoresLocator(solrxml, null);
     assertEquals(persistor.buildSolrXML(cds),
           "<solr><cores>" + SolrXMLCoresLocator.NEWLINE
         + "    <core name=\"testcore\" instanceDir=\"instance/dir/\"/>" + SolrXMLCoresLocator.NEWLINE
@@ -89,7 +89,7 @@ public class TestSolrXmlPersistor {
           "</cores>" +
         "</solr>";
 
-    SolrXMLCoresLocator locator = new SolrXMLCoresLocator(new File("testfile.xml"), solrxml, null);
+    SolrXMLCoresLocator locator = new SolrXMLCoresLocator(solrxml, null);
     assertTrue(locator.getTemplate().contains("{{CORES_PLACEHOLDER}}"));
     assertTrue(locator.getTemplate().contains("<shardHandlerFactory "));
     assertTrue(locator.getTemplate().contains("${socketTimeout:500}"));
@@ -107,15 +107,14 @@ public class TestSolrXmlPersistor {
           "</cores>" +
         "</solr>";
 
-    SolrXMLCoresLocator locator = new SolrXMLCoresLocator(new File("testfile.xml"), solrxml, null);
+    SolrXMLCoresLocator locator = new SolrXMLCoresLocator(solrxml, null);
     assertTrue(locator.getTemplate().contains("{{CORES_PLACEHOLDER}}"));
     assertTrue(locator.getTemplate().contains("<shardHandlerFactory "));
   }
 
   @Test
   public void complexXmlIsParsed() {
-    SolrXMLCoresLocator locator = new SolrXMLCoresLocator(new File("testfile.xml"),
-                                        TestSolrXmlPersistence.SOLR_XML_LOTS_SYSVARS, null);
+    SolrXMLCoresLocator locator = new SolrXMLCoresLocator(TestSolrXmlPersistence.SOLR_XML_LOTS_SYSVARS, null);
     assertTrue(locator.getTemplate().contains("{{CORES_PLACEHOLDER}}"));
   }