[jbosscache-issues] [JBoss JIRA] Updated: (JBCACHE-1551) Locking parent node?

[Nikolay Shestakov (JIRA)]

     [ https://jira.jboss.org/jira/browse/JBCACHE-1551?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nikolay Shestakov updated JBCACHE-1551:
---------------------------------------

    Attachment: SuspendTxTest.java


this is test for reproduce this problem.

> Locking parent node?
> --------------------
>
>                 Key: JBCACHE-1551
>                 URL: https://jira.jboss.org/jira/browse/JBCACHE-1551
>             Project: JBoss Cache
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: Locking
>    Affects Versions: 3.2.0.GA, 3.2.1.GA
>            Reporter: Nikolay Shestakov
>            Assignee: Manik Surtani
>         Attachments: SuspendTxTest.java
>
>
> I have next test:
>     @Test
>     public void nodes()
>     {
>         // setup
>         Fqn<String> fqn1 = Fqn.fromElements(UUID.randomUUID().toString().replace("-", ""));
>         String attribute1 = UUID.randomUUID().toString().replace("-", "");
>         String value1 = UUID.randomUUID().toString().replace("-", "");
>         Fqn<String> fqn2 = Fqn.fromElements(UUID.randomUUID().toString().replace("-", ""));
>         String attribute2 = UUID.randomUUID().toString().replace("-", "");
>         String value2 = UUID.randomUUID().toString().replace("-", "");
>         Assert.assertFalse(fqn1.equals(fqn2));
>         // call
>         TransactionHelper.begin();
>         _cache.put(fqn1, attribute1, value1);
>         TransactionHelper.begin(); // suspend and begin new
>         _cache.put(fqn2, attribute2, value2);
>         TransactionHelper.commit();
>         TransactionHelper.commit();
>         // assertions
>         Assert.assertEquals(value1, _cache.get(fqn1, attribute1));
>         Assert.assertEquals(value2, _cache.get(fqn2, attribute2));
>         // clear
>     }
> sometimes this test is fail (~ one time from 1000 executions): 
> Unable to acquire lock on Fqn [/test19cb7eae7cc546b1909261c289] after [10000] milliseconds for requestor [GlobalTransaction:<null>:3]! Lock held by [GlobalTransaction:<null>:2]
> at org.jboss.cache.mvcc.MVCCNodeHelper.acquireLock(MVCCNodeHelper.java:159)
> 	at org.jboss.cache.mvcc.MVCCNodeHelper.wrapNodeForWriting(MVCCNodeHelper.java:236)
> 	at org.jboss.cache.mvcc.MVCCNodeHelper.wrapNodeForWriting(MVCCNodeHelper.java:186)
> 	at org.jboss.cache.interceptors.MVCCLockingInterceptor.handlePutKeyValueCommand(MVCCLockingInterceptor.java:101)
> 	at org.jboss.cache.interceptors.base.PrePostProcessingCommandInterceptor.visitPutKeyValueCommand(PrePostProcessingCommandInterceptor.java:88)
> 	at org.jboss.cache.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:100)
> 	at org.jboss.cache.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:116)
> 	at org.jboss.cache.interceptors.base.CommandInterceptor.handleDefault(CommandInterceptor.java:131)
> 	at org.jboss.cache.commands.AbstractVisitor.visitPutKeyValueCommand(AbstractVisitor.java:65)
> 	at org.jboss.cache.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:100)
> 	at org.jboss.cache.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:116)
> 	at org.jboss.cache.interceptors.TxInterceptor.attachGtxAndPassUpChain(TxInterceptor.java:301)
> 	at org.jboss.cache.interceptors.TxInterceptor.handleDefault(TxInterceptor.java:283)
> 	at org.jboss.cache.commands.AbstractVisitor.visitPutKeyValueCommand(AbstractVisitor.java:65)
> 	at org.jboss.cache.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:100)
> 	at org.jboss.cache.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:116)
> 	at org.jboss.cache.interceptors.CacheMgmtInterceptor.visitPutKeyValueCommand(CacheMgmtInterceptor.java:119)
> 	at org.jboss.cache.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:100)
> 	at org.jboss.cache.interceptors.base.CommandInterceptor.invokeNextInterceptor(CommandInterceptor.java:116)
> 	at org.jboss.cache.interceptors.InvocationContextInterceptor.handleAll(InvocationContextInterceptor.java:178)
> 	at org.jboss.cache.interceptors.InvocationContextInterceptor.visitPutKeyValueCommand(InvocationContextInterceptor.java:82)
> 	at org.jboss.cache.commands.write.PutKeyValueCommand.acceptVisitor(PutKeyValueCommand.java:100)
> 	at org.jboss.cache.interceptors.InterceptorChain.invoke(InterceptorChain.java:287)
> 	at org.jboss.cache.invocation.CacheInvocationDelegate.put(CacheInvocationDelegate.java:555)
> config file is:
> <?xml version="1.0" encoding="UTF-8"?>
> <jbosscache
> 	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> 	xmlns="urn:jboss:jbosscache-core:config:3.2">
> 	<transaction
> 		transactionManagerLookupClass="org.jboss.cache.transaction.GenericTransactionManagerLookup" />
> 	<locking
> 		isolationLevel="REPEATABLE_READ"
> 		lockParentForChildInsertRemove="false"
> 		nodeLockingScheme="mvcc" />
> 	<jmxStatistics
> 		enabled="true" />
> </jbosscache>

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