The error when I trying to connect to stardog from gremlin

[Steven Zhao]

Hi guys,

Does anyone had the same problem like me before. I am following the manual of "stardog & gremlin console". Trying to connect stardog from gremlin, and got the error like below, When I run "graph = StardogGraphFactory.open(graphConf.build())"

org/apache/tinkerpop/gremlin/process/traversal/TraversalStrategy$VendorOptimizationStrategy

Display stack trace? [yN] y

java.lang.NoClassDefFoundError: org/apache/tinkerpop/gremlin/process/traversal/TraversalStrategy$VendorOptimizationStrategy

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClass(ClassLoader.java:760)

at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)

at java.net.URLClassLoader.access$100(URLClassLoader.java:73)

at java.net.URLClassLoader$1.run(URLClassLoader.java:368)

at java.net.URLClassLoader$1.run(URLClassLoader.java:362)

at java.security.AccessController.doPrivileged(Native Method)

at java.net.URLClassLoader.findClass(URLClassLoader.java:361)

at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)

at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

at com.complexible.stardog.gremlin.structure.StardogGraph.<clinit>(StardogGraph.java:391)

at com.complexible.stardog.gremlin.StardogGraphFactory.open(StardogGraphFactory.java:33)

at com.complexible.stardog.gremlin.StardogGraphFactory$open.call(Unknown Source)

at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:110)

at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:122)

at groovysh_evaluate.run(groovysh_evaluate:3)

at org.codehaus.groovy.vmplugin.v7.IndyInterface.selectMethod(IndyInterface.java:215)

at org.codehaus.groovy.tools.shell.Interpreter.evaluate(Interpreter.groovy:69)

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.GeneratedMethodAccessor34.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.lang.reflect.Method.invoke(Method.java:497)

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:497)

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)

Caused by: java.lang.ClassNotFoundException: org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy$VendorOptimizationStrategy

at java.net.URLClassLoader.findClass(URLClassLoader.java:381)

at java.lang.ClassLoader.loadClass(ClassLoader.java:424)

at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)

at java.lang.ClassLoader.loadClass(ClassLoader.java:357)

... 50 more

 By the way, My server is linux, and the version of stardog is 4.0.3, gremlin console is 3.1.0 . but my linux server can not access to internet , Is that a reason to cast the error?

Can anyone help me with it?

Thank you so much.

Regrads,

Steven