[ https://issues.apache.org/jira/browse/SOLR-3041?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hoss Man reassigned SOLR-3041: ------------------------------ Assignee: Mark Miller Could you please asses & triage this for 4.0? > Solrs using SolrCloud feature for having shared config in ZK, might not all > start successfully when started for the first time simultaneously > --------------------------------------------------------------------------------------------------------------------------------------------- > > Key: SOLR-3041 > URL: https://issues.apache.org/jira/browse/SOLR-3041 > Project: Solr > Issue Type: Bug > Components: SolrCloud > Affects Versions: 4.0 > Environment: Exact version: > https://builds.apache.org/job/Solr-trunk/1718/artifact/artifacts/apache-solr-4.0-2011-12-28_08-33-55.tgz > Reporter: Per Steffensen > Assignee: Mark Miller > Fix For: 4.0 > > Original Estimate: 96h > Remaining Estimate: 96h > > Starting Solr like this > java -DzkHost=<ZKs> -Dbootstrap_confdir=./myproject/conf > -Dcollection.configName=myproject_conf -Dsolr.solr.home=./myproject -jar > start.jar > When not already there (starting solr for the first time) the content of > ./myproject/conf will be copied by Solr into ZK. That process does not work > very well in parallel, so if the content is not there and I start several > Solrs simultaneously, one or more of them might not start successfully. > I see exceptions like the ones shown below, and the Solrs throwing them will > not work correctly afterwards. > I know that there could be different workarounds, like making sure to always > start one Solr and wait for a while before starting the rest of them, but I > think we should really be more robuste in these cases. > Regards, Per Steffensen > ---- exception example 1 (the znode causing the problem can be different than > /configs/myproject_conf/protwords.txt) ---- > org.apache.solr.common.cloud.ZooKeeperException: > at > org.apache.solr.core.CoreContainer.initZooKeeper(CoreContainer.java:193) > at org.apache.solr.core.CoreContainer.load(CoreContainer.java:337) > at org.apache.solr.core.CoreContainer.load(CoreContainer.java:294) > at > org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:240) > at > org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:93) > at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:97) > at > org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) > at > org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:713) > at org.mortbay.jetty.servlet.Context.startContext(Context.java:140) > at > org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1282) > at > org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:518) > at > org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:499) > at > org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) > at > org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152) > at > org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:156) > at > org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) > at > org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152) > at > org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) > at > org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) > at org.mortbay.jetty.Server.doStart(Server.java:224) > at > org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) > at org.mortbay.xml.XmlConfiguration.main(XmlConfiguration.java:985) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.mortbay.start.Main.invokeMain(Main.java:194) > at org.mortbay.start.Main.start(Main.java:534) > at org.mortbay.start.Main.start(Main.java:441) > at org.mortbay.start.Main.main(Main.java:119) > Caused by: org.apache.zookeeper.KeeperException$NodeExistsException: > KeeperErrorCode = NodeExists for /configs/myproject_conf/protwords.txt > at org.apache.zookeeper.KeeperException.create(KeeperException.java:110) > at org.apache.zookeeper.KeeperException.create(KeeperException.java:42) > at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:637) > at > org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:347) > at > org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:308) > at > org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:290) > at > org.apache.solr.common.cloud.SolrZkClient.makePath(SolrZkClient.java:255) > at > org.apache.solr.common.cloud.SolrZkClient.setData(SolrZkClient.java:384) > at > org.apache.solr.common.cloud.SolrZkClient.setData(SolrZkClient.java:410) > at org.apache.solr.cloud.ZkController.uploadToZK(ZkController.java:520) > at > org.apache.solr.cloud.ZkController.uploadConfigDir(ZkController.java:536) > at > org.apache.solr.core.CoreContainer.initZooKeeper(CoreContainer.java:175) > ... 29 more > ---- exception example 2 ---- > org.apache.solr.common.cloud.ZooKeeperException: > at org.apache.solr.core.CoreContainer.register(CoreContainer.java:526) > at org.apache.solr.core.CoreContainer.load(CoreContainer.java:410) > at org.apache.solr.core.CoreContainer.load(CoreContainer.java:294) > at > org.apache.solr.core.CoreContainer$Initializer.initialize(CoreContainer.java:240) > at > org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:93) > at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:97) > at > org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) > at > org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:713) > at org.mortbay.jetty.servlet.Context.startContext(Context.java:140) > at > org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1282) > at > org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:518) > at > org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:499) > at > org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) > at > org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152) > at > org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:156) > at > org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) > at > org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152) > at > org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) > at > org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) > at org.mortbay.jetty.Server.doStart(Server.java:224) > at > org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) > at org.mortbay.xml.XmlConfiguration.main(XmlConfiguration.java:985) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.mortbay.start.Main.invokeMain(Main.java:194) > at org.mortbay.start.Main.start(Main.java:534) > at org.mortbay.start.Main.start(Main.java:441) > at org.mortbay.start.Main.main(Main.java:119) > Caused by: org.apache.zookeeper.KeeperException$NoNodeException: > KeeperErrorCode = NoNode for > /collections/myproject_collection/shards/shard1/192.168.98.1:8983_myproject_collection_shard1 > at org.apache.zookeeper.KeeperException.create(KeeperException.java:102) > at org.apache.zookeeper.KeeperException.create(KeeperException.java:42) > at org.apache.zookeeper.ZooKeeper.create(ZooKeeper.java:637) > at > org.apache.solr.common.cloud.SolrZkClient.create(SolrZkClient.java:238) > at org.apache.solr.cloud.ZkController.register(ZkController.java:483) > at org.apache.solr.core.CoreContainer.register(CoreContainer.java:517) > ... 29 more -- This message is automatically generated by JIRA. 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