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https://issues.apache.org/jira/browse/TINKERPOP-1148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15145611#comment-15145611
]
ASF GitHub Bot commented on TINKERPOP-1148:
-------------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/incubator-tinkerpop/pull/226
> ConcurrentModificationException with bindings in Gremlin Server
> ---------------------------------------------------------------
>
> Key: TINKERPOP-1148
> URL: https://issues.apache.org/jira/browse/TINKERPOP-1148
> Project: TinkerPop
> Issue Type: Bug
> Components: server
> Affects Versions: 3.1.1-incubating
> Reporter: Daniel Kuppitz
> Assignee: stephen mallette
> Fix For: 3.1.2-incubating
>
>
> When bulk loading data through Gremlin Server, this exception pops up from
> time to time and ultimately kills the BLVP job if the dataset is large enough:
> {noformat}
> WARN [gremlin-server-worker-1] 2016-02-11 18:36:39,055
> OpExecutorHandler.java:77 - null
> java.util.ConcurrentModificationException: null
> at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)
> ~[na:1.8.0_40]
> at java.util.HashMap$EntryIterator.next(HashMap.java:1463)
> ~[na:1.8.0_40]
> at java.util.HashMap$EntryIterator.next(HashMap.java:1461)
> ~[na:1.8.0_40]
> at javax.script.SimpleBindings.putAll(SimpleBindings.java:97)
> ~[na:1.8.0_40]
> at
> org.apache.tinkerpop.gremlin.groovy.engine.GremlinExecutor.eval(GremlinExecutor.java:249)
> ~[gremlin-groovy-3.1.1-20160128-20db86cb.jar:3.1.1-20160128-20db86cb]
> at
> com.datastax.bdp.graph.plugin.DseSessionOpProcessor.evalOpInternal(DseSessionOpProcessor.java:151)
> ~[dse-graph-5.0.0-DSP-5881.jar:5.0.0-DSP-5881]
> at
> com.datastax.bdp.graph.plugin.DseSessionOpProcessor.evalOp(DseSessionOpProcessor.java:55)
> ~[dse-graph-5.0.0-DSP-5881.jar:5.0.0-DSP-5881]
> at
> org.apache.tinkerpop.gremlin.server.op.session.SessionOpProcessor$$Lambda$665/1222772686.accept(Unknown
> Source) ~[na:na]
> at
> org.apache.tinkerpop.gremlin.server.handler.OpExecutorHandler.channelRead0(OpExecutorHandler.java:68)
> [gremlin-server-3.1.1-20160128-20db86cb.jar:3.1.1-20160128-20db86cb]
> at
> org.apache.tinkerpop.gremlin.server.handler.OpExecutorHandler.channelRead0(OpExecutorHandler.java:43)
> [gremlin-server-3.1.1-20160128-20db86cb.jar:3.1.1-20160128-20db86cb]
> at
> io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
> [netty-all-4.0.34.Final.jar:4.0.34.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:307)
> [netty-all-4.0.34.Final.jar:4.0.34.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:293)
> [netty-all-4.0.34.Final.jar:4.0.34.Final]
> at
> io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:103)
> [netty-all-4.0.34.Final.jar:4.0.34.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:307)
> [netty-all-4.0.34.Final.jar:4.0.34.Final]
> at
> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:293)
> [netty-all-4.0.34.Final.jar:4.0.34.Final]
> ...
> {noformat}
> Another exception, which seems to be a follow up error, is this:
> {noformat}
> WARN [pool-235-thread-1] 2016-02-11 18:36:28,348
> DseSessionOpProcessor.java:166 - Exception processing a script on request
> [RequestMessage{, requestId=624f7cae-2ae6-43bb-8f12-ea32a9f19dcd, op='eval',
> processor='session', args={gremlin=createVertex(l, i),
> session=9df05f13-5a68-4231-a021-2e270709d84d, bindings={i=null, l=user},
> batchSize=64}}].
> groovy.lang.MissingPropertyException: No such property: l for class: Script2
> at
> org.codehaus.groovy.runtime.ScriptBytecodeAdapter.unwrap(ScriptBytecodeAdapter.java:53)
> ~[groovy-2.4.5-indy.jar:2.4.5]
> at
> org.codehaus.groovy.runtime.callsite.PogoGetPropertySite.getProperty(PogoGetPropertySite.java:52)
> ~[groovy-2.4.5-indy.jar:2.4.5]
> at
> org.codehaus.groovy.runtime.callsite.AbstractCallSite.callGroovyObjectGetProperty(AbstractCallSite.java:307)
> ~[groovy-2.4.5-indy.jar:2.4.5]
> at Script2.run(Script2.groovy:1) ~[na:na]
> at
> org.apache.tinkerpop.gremlin.groovy.jsr223.GremlinGroovyScriptEngine.eval(GremlinGroovyScriptEngine.java:534)
> ~[gremlin-groovy-3.1.1-20160128-20db86cb.jar:3.1.1-20160128-20db86cb]
> at
> org.apache.tinkerpop.gremlin.groovy.jsr223.GremlinGroovyScriptEngine.eval(GremlinGroovyScriptEngine.java:374)
> ~[gremlin-groovy-3.1.1-20160128-20db86cb.jar:3.1.1-20160128-20db86cb]
> at
> javax.script.AbstractScriptEngine.eval(AbstractScriptEngine.java:233)
> ~[na:1.8.0_40]
> at
> org.apache.tinkerpop.gremlin.groovy.engine.ScriptEngines.eval(ScriptEngines.java:102)
> ~[gremlin-groovy-3.1.1-20160128-20db86cb.jar:3.1.1-20160128-20db86cb]
> at
> org.apache.tinkerpop.gremlin.groovy.engine.GremlinExecutor.lambda$eval$15(GremlinExecutor.java:258)
> ~[gremlin-groovy-3.1.1-20160128-20db86cb.jar:3.1.1-20160128-20db86cb]
> at
> org.apache.tinkerpop.gremlin.groovy.engine.GremlinExecutor$$Lambda$489/399043474.call(Unknown
> Source) [gremlin-groovy-3.1.1-20160128-20db86cb.jar:3.1.1-20160128-20db86cb]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> [na:1.8.0_40]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> [na:1.8.0_40]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> [na:1.8.0_40]
> at java.lang.Thread.run(Thread.java:745) [na:1.8.0_40]
> {noformat}
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