java.lang.NullPointerException

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  • valueMap() not working
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    • java.lang.NullPointerException at com.thinkaurelius.titan.graphdb.database.EdgeSerializer.parseRelation(EdgeSerializer.java:116) at com.thinkaurelius.titan.graphdb.database.EdgeSerializer.readRelation(EdgeSerializer.java:60) at com.thinkaurelius.titan.graphdb.transaction.RelationConstructor.readRelation(RelationConstructor.java:61) at com.thinkaurelius.titan.graphdb.transaction.RelationConstructor$1$1.next(RelationConstructor.java:46) at com.thinkaurelius.titan.graphdb.transaction.RelationConstructor$1$1.next(RelationConstructor.java:34) at com.thinkaurelius.titan.graphdb.query.LimitAdjustingIterator.next(LimitAdjustingIterator.java:80) at com.google.common.collect.Iterators$7.computeNext(Iterators.java:651) at com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143) at com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138) at com.thinkaurelius.titan.graphdb.query.ResultMergeSortIterator.nextInternal(ResultMergeSortIterator.java:59) at com.thinkaurelius.titan.graphdb.query.ResultMergeSortIterator.next(ResultMergeSortIterator.java:49) at com.thinkaurelius.titan.graphdb.query.ResultSetIterator.nextInternal(ResultSetIterator.java:41) at com.thinkaurelius.titan.graphdb.query.ResultSetIterator.<init>(ResultSetIterator.java:30) at com.thinkaurelius.titan.graphdb.query.QueryProcessor.iterator(QueryProcessor.java:57) at com.thinkaurelius.titan.graphdb.vertices.AbstractVertex.properties(AbstractVertex.java:160) at org.apache.tinkerpop.gremlin.structure.util.ElementHelper.vertexPropertyValueMap(ElementHelper.java:500) at org.apache.tinkerpop.gremlin.process.traversal.step.map.PropertyMapStep.map(PropertyMapStep.java:54) at org.apache.tinkerpop.gremlin.process.traversal.step.map.PropertyMapStep.map(PropertyMapStep.java:36) at org.apache.tinkerpop.gremlin.process.traversal.step.map.MapStep.processNextStart(MapStep.java:37) at org.apache.tinkerpop.gremlin.process.traversal.step.util.AbstractStep.hasNext(AbstractStep.java:140) at org.apache.tinkerpop.gremlin.process.traversal.util.DefaultTraversal.hasNext(DefaultTraversal.java:117) at org.apache.tinkerpop.gremlin.console.Console$_closure3.doCall(Console.groovy:205) at sun.reflect.GeneratedMethodAccessor35.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:324) at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:292) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1016) at org.codehaus.groovy.tools.shell.Groovysh.setLastResult(Groovysh.groovy:441) at org.codehaus.groovy.tools.shell.Groovysh.execute(Groovysh.groovy:185) at org.codehaus.groovy.tools.shell.Shell.leftShift(Shell.groovy:119) at org.codehaus.groovy.tools.shell.ShellRunner.work(ShellRunner.groovy:94) at org.codehaus.groovy.tools.shell.InteractiveShellRunner.super$2$work(InteractiveShellRunner.groovy) at sun.reflect.GeneratedMethodAccessor33.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:324) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1207) at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnSuperN(ScriptBytecodeAdapter.java:130) at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnSuper0(ScriptBytecodeAdapter.java:150) at org.codehaus.groovy.tools.shell.InteractiveShellRunner.work(InteractiveShellRunner.groovy:123) at org.codehaus.groovy.tools.shell.ShellRunner.run(ShellRunner.groovy:58) at org.codehaus.groovy.tools.shell.InteractiveShellRunner.super$2$run(InteractiveShellRunner.groovy) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:324) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1207) at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnSuperN(ScriptBytecodeAdapter.java:130) at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnSuper0(ScriptBytecodeAdapter.java:150) at org.codehaus.groovy.tools.shell.InteractiveShellRunner.run(InteractiveShellRunner.groovy:82) at org.codehaus.groovy.vmplugin.v7.IndyInterface.selectMethod(IndyInterface.java:215) at org.apache.tinkerpop.gremlin.console.Console.<init>(Console.groovy:144) at org.codehaus.groovy.vmplugin.v7.IndyInterface.selectMethod(IndyInterface.java:215) at org.apache.tinkerpop.gremlin.console.Console.main(Console.groovy:303)
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