stephen mallette created TINKERPOP-1175:
-------------------------------------------

             Summary: Anonymous traversals can't be explained
                 Key: TINKERPOP-1175
                 URL: https://issues.apache.org/jira/browse/TINKERPOP-1175
             Project: TinkerPop
          Issue Type: Bug
          Components: process
    Affects Versions: 3.1.1-incubating
            Reporter: stephen mallette
            Priority: Minor
             Fix For: 3.1.2-incubating


This also would apply to any {{Traversal}} that doesn't have strategies I think 
(as odd as that case might be):

{code}
gremlin> out().inE().outV().explain()
No value present
Display stack trace? [yN] y
java.util.NoSuchElementException: No value present
        at java.util.Optional.get(Optional.java:135)
        at 
org.apache.tinkerpop.gremlin.process.traversal.util.TraversalExplanation.toString(TraversalExplanation.java:87)
        at 
org.codehaus.groovy.runtime.InvokerHelper.format(InvokerHelper.java:634)
        at 
org.codehaus.groovy.runtime.InvokerHelper.format(InvokerHelper.java:575)
        at 
org.codehaus.groovy.runtime.InvokerHelper.toString(InvokerHelper.java:130)
        at 
org.codehaus.groovy.tools.shell.Interpreter.evaluate(Interpreter.groovy:74)
        at org.codehaus.groovy.tools.shell.Groovysh.execute(Groovysh.groovy:187)
        at org.codehaus.groovy.tools.shell.Shell.leftShift(Shell.groovy:122)
        at 
org.codehaus.groovy.tools.shell.ShellRunner.work(ShellRunner.groovy:95)
        at 
org.codehaus.groovy.tools.shell.InteractiveShellRunner.super$2$work(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:93)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1210)
        at 
org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnSuperN(ScriptBytecodeAdapter.java:132)
        at 
org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnSuper0(ScriptBytecodeAdapter.java:152)
        at 
org.codehaus.groovy.tools.shell.InteractiveShellRunner.work(InteractiveShellRunner.groovy:124)
        at 
org.codehaus.groovy.tools.shell.ShellRunner.run(ShellRunner.groovy:59)
        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:93)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1210)
        at 
org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnSuperN(ScriptBytecodeAdapter.java:132)
        at 
org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodOnSuper0(ScriptBytecodeAdapter.java:152)
        at 
org.codehaus.groovy.tools.shell.InteractiveShellRunner.run(InteractiveShellRunner.groovy:83)
        at 
org.codehaus.groovy.vmplugin.v7.IndyInterface.selectMethod(IndyInterface.java:218)
        at 
org.apache.tinkerpop.gremlin.console.Console.<init>(Console.groovy:144)
        at 
org.codehaus.groovy.vmplugin.v7.IndyInterface.selectMethod(IndyInterface.java:218)
        at org.apache.tinkerpop.gremlin.console.Console.main(Console.groovy:305)
{code}



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)

Reply via email to