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https://issues.apache.org/jira/browse/TINKERPOP-1175?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Marko A. Rodriguez closed TINKERPOP-1175.
-----------------------------------------
Resolution: Fixed
Assignee: Marko A. Rodriguez
Was a simple fix. Two small tweaks to the {{toString()}} of
{{TraversalExplanation}}. Added a test case too to make sure anonymous
traversals "explain" correctly.
> 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
> Assignee: Marko A. Rodriguez
> 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}
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