Daniel Kuppitz created TINKERPOP-1148:
-----------------------------------------
Summary: 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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