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https://issues.apache.org/jira/browse/SQOOP-3035?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15631979#comment-15631979
]
Zeyuan Hu commented on SQOOP-3035:
----------------------------------
Hello, I have tried in another machine. This time it works. I can successfully
launch the sqoop2-shell. So, I'm guess this issue may be related to my
environment. However, I have no clue what it is.
> Sqoop2-shell failed to launch for 1.99.7
> ----------------------------------------
>
> Key: SQOOP-3035
> URL: https://issues.apache.org/jira/browse/SQOOP-3035
> Project: Sqoop
> Issue Type: Bug
> Components: sqoop2-client
> Affects Versions: 1.99.7
> Environment: OS: RedHatEnterpriseServer 7.2
> Hadoop info:
> Hadoop 2.7.3
> Subversion https://git-wip-us.apache.org/repos/asf/hadoop.git -r
> baa91f7c6bc9cb92be5982de4719c1c8af91ccff
> Compiled by root on 2016-08-18T01:41Z
> Compiled with protoc 2.5.0
> From source with checksum 2e4ce5f957ea4db193bce3734ff29ff4
> This command was run using
> /root/hadoop-2.7.3/share/hadoop/common/hadoop-common-2.7.3.jar
> Reporter: Zeyuan Hu
>
> I freshly installed Sqoop2 1.99.7 on my cluster. However, I fail to start
> sqoop2-shell and I have no such problem with 1.99.5 client. The error message
> is attached below:
> ```
> $ ./sqoop2-shell
> Setting conf dir: /home/db2inst1/sqoop-1.99.7-bin-hadoop200/bin/../conf
> Sqoop home directory: /home/db2inst1/sqoop-1.99.7-bin-hadoop200
> Sqoop Shell: Type 'help' or '\h' for help.
> FATAL: java.lang.IncompatibleClassChangeError: Implementing class
> java.lang.IncompatibleClassChangeError: Implementing class
> at java.lang.ClassLoader.defineClass1(Native Method)
> at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
> 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 java.lang.Class.getDeclaredConstructors0(Native Method)
> at java.lang.Class.privateGetDeclaredConstructors(Class.java:2671)
> at java.lang.Class.getDeclaredConstructors(Class.java:2020)
> at
> org.codehaus.groovy.reflection.CachedClass$2$1.run(CachedClass.java:71)
> at java.security.AccessController.doPrivileged(Native Method)
> at
> org.codehaus.groovy.reflection.CachedClass$2.initValue(CachedClass.java:68)
> at
> org.codehaus.groovy.reflection.CachedClass$2.initValue(CachedClass.java:66)
> at
> org.codehaus.groovy.util.LazyReference.getLocked(LazyReference.java:46)
> at org.codehaus.groovy.util.LazyReference.get(LazyReference.java:33)
> at
> org.codehaus.groovy.reflection.CachedClass.getConstructors(CachedClass.java:265)
> at groovy.lang.MetaClassImpl.<init>(MetaClassImpl.java:215)
> at groovy.lang.MetaClassImpl.<init>(MetaClassImpl.java:225)
> at
> groovy.lang.MetaClassRegistry$MetaClassCreationHandle.createNormalMetaClass(MetaClassRegistry.java:168)
> at
> groovy.lang.MetaClassRegistry$MetaClassCreationHandle.createWithCustomLookup(MetaClassRegistry.java:158)
> at
> groovy.lang.MetaClassRegistry$MetaClassCreationHandle.create(MetaClassRegistry.java:141)
> at
> org.codehaus.groovy.reflection.ClassInfo.getMetaClassUnderLock(ClassInfo.java:250)
> at
> org.codehaus.groovy.reflection.ClassInfo.getMetaClass(ClassInfo.java:282)
> at
> org.codehaus.groovy.runtime.metaclass.MetaClassRegistryImpl.getMetaClass(MetaClassRegistryImpl.java:255)
> at
> org.codehaus.groovy.runtime.InvokerHelper.getMetaClass(InvokerHelper.java:872)
> at
> org.codehaus.groovy.runtime.callsite.CallSiteArray.createCallConstructorSite(CallSiteArray.java:84)
> at
> org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallConstructor(CallSiteArray.java:57)
> at
> org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:230)
> at
> org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:250)
> at
> org.codehaus.groovy.tools.shell.InteractiveShellRunner.<init>(InteractiveShellRunner.groovy:49)
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
> at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
> at
> org.codehaus.groovy.reflection.CachedConstructor.invoke(CachedConstructor.java:77)
> at
> org.codehaus.groovy.reflection.CachedConstructor.doConstructorInvoke(CachedConstructor.java:71)
> at
> org.codehaus.groovy.runtime.callsite.ConstructorSite.callConstructor(ConstructorSite.java:42)
> at
> org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallConstructor(CallSiteArray.java:57)
> at
> org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:230)
> at
> org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:250)
> at org.codehaus.groovy.tools.shell.Groovysh.run(Groovysh.groovy:564)
> at org.apache.sqoop.shell.SqoopShell.main(SqoopShell.java:156)
> Exception in thread "Thread-5" java.lang.NullPointerException
> at org.apache.sqoop.shell.SqoopShell$1.run(SqoopShell.java:84)
> ```
> My cluster is built from scratch. I don't use any open data platform (CDH,
> HDP, IOP, and so on). In addition, only HDFS, YARN, Hive, and Sqoop2 is
> installed.
> Thanks in advance for anyone who can take a look at this issue.
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