sqoop:000> create link --cid 4

Creating link for connector with id 4
Exception has occurred during processing command
Exception: org.apache.sqoop.common.SqoopException Message: CLIENT_0001:Server has returned exception

根本不知道这个异常是什么。

此时 修改设置

sqoop:000> set option --name verbose --value true
Verbose option was changed to true
sqoop:000>

sqoop:000> create link --cid 4
Creating link for connector with id 4
Exception has occurred during processing command
Exception: org.apache.sqoop.common.SqoopException Message: CLIENT_0001:Server has returned exception
Stack trace:
at org.apache.sqoop.client.request.ResourceRequest (ResourceRequest.java:113)
at org.apache.sqoop.client.request.ResourceRequest (ResourceRequest.java:47)
at org.apache.sqoop.client.request.ResourceRequest (ResourceRequest.java:144)
at org.apache.sqoop.client.request.ConnectorResourceRequest (ConnectorResourceRequest.java:38)
at org.apache.sqoop.client.request.SqoopResourceRequests (SqoopResourceRequests.java:92)
at org.apache.sqoop.client.SqoopClient (SqoopClient.java:188)
at org.apache.sqoop.client.SqoopClient (SqoopClient.java:140)
at org.apache.sqoop.client.SqoopClient (SqoopClient.java:283)
at org.apache.sqoop.shell.CreateLinkFunction (CreateLinkFunction.java:63)
at org.apache.sqoop.shell.CreateLinkFunction (CreateLinkFunction.java:55)
at org.apache.sqoop.shell.SqoopFunction (SqoopFunction.java:51)
at org.apache.sqoop.shell.SqoopCommand (SqoopCommand.java:127)
at org.apache.sqoop.shell.SqoopCommand (SqoopCommand.java:103)
at org.codehaus.groovy.tools.shell.Command$execute (null:-1)
at org.codehaus.groovy.runtime.callsite.CallSiteArray (CallSiteArray.java:42)
at org.codehaus.groovy.tools.shell.Command$execute (null:-1)
at org.codehaus.groovy.tools.shell.Shell (Shell.groovy:101)
at org.codehaus.groovy.tools.shell.Groovysh (Groovysh.groovy:-1)
at sun.reflect.NativeMethodAccessorImpl (NativeMethodAccessorImpl.java:-2)
at sun.reflect.NativeMethodAccessorImpl (NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl (DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method (Method.java:606)
at org.codehaus.groovy.reflection.CachedMethod (CachedMethod.java:90)
at groovy.lang.MetaMethod (MetaMethod.java:233)
at groovy.lang.MetaClassImpl (MetaClassImpl.java:1054)
at org.codehaus.groovy.runtime.ScriptBytecodeAdapter (ScriptBytecodeAdapter.java:128)
at org.codehaus.groovy.tools.shell.Groovysh (Groovysh.groovy:173)
at sun.reflect.NativeMethodAccessorImpl (NativeMethodAccessorImpl.java:-2)
at sun.reflect.NativeMethodAccessorImpl (NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl (DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method (Method.java:606)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce (PogoMetaMethodSite.java:267)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite (PogoMetaMethodSite.java:52)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite (AbstractCallSite.java:141)
at org.codehaus.groovy.tools.shell.Groovysh (Groovysh.groovy:121)
at org.codehaus.groovy.tools.shell.Shell (Shell.groovy:114)
at org.codehaus.groovy.tools.shell.Shell$leftShift$0 (null:-1)
at org.codehaus.groovy.tools.shell.ShellRunner (ShellRunner.groovy:88)
at org.codehaus.groovy.tools.shell.InteractiveShellRunner (InteractiveShellRunner.groovy:-1)
at sun.reflect.NativeMethodAccessorImpl (NativeMethodAccessorImpl.java:-2)
at sun.reflect.NativeMethodAccessorImpl (NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl (DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method (Method.java:606)
at org.codehaus.groovy.reflection.CachedMethod (CachedMethod.java:90)
at groovy.lang.MetaMethod (MetaMethod.java:233)
at groovy.lang.MetaClassImpl (MetaClassImpl.java:1054)
at org.codehaus.groovy.runtime.ScriptBytecodeAdapter (ScriptBytecodeAdapter.java:128)
at org.codehaus.groovy.runtime.ScriptBytecodeAdapter (ScriptBytecodeAdapter.java:148)
at org.codehaus.groovy.tools.shell.InteractiveShellRunner (InteractiveShellRunner.groovy:100)
at sun.reflect.NativeMethodAccessorImpl (NativeMethodAccessorImpl.java:-2)
at sun.reflect.NativeMethodAccessorImpl (NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl (DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method (Method.java:606)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce (PogoMetaMethodSite.java:267)
at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite (PogoMetaMethodSite.java:52)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite (AbstractCallSite.java:137)
at org.codehaus.groovy.tools.shell.ShellRunner (ShellRunner.groovy:57)
at org.codehaus.groovy.tools.shell.InteractiveShellRunner (InteractiveShellRunner.groovy:-1)
at sun.reflect.NativeMethodAccessorImpl (NativeMethodAccessorImpl.java:-2)
at sun.reflect.NativeMethodAccessorImpl (NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl (DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method (Method.java:606)
at org.codehaus.groovy.reflection.CachedMethod (CachedMethod.java:90)
at groovy.lang.MetaMethod (MetaMethod.java:233)
at groovy.lang.MetaClassImpl (MetaClassImpl.java:1054)
at org.codehaus.groovy.runtime.ScriptBytecodeAdapter (ScriptBytecodeAdapter.java:128)
at org.codehaus.groovy.runtime.ScriptBytecodeAdapter (ScriptBytecodeAdapter.java:148)
at org.codehaus.groovy.tools.shell.InteractiveShellRunner (InteractiveShellRunner.groovy:66)
at java_lang_Runnable$run (null:-1)
at org.codehaus.groovy.runtime.callsite.CallSiteArray (CallSiteArray.java:42)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite (AbstractCallSite.java:108)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite (AbstractCallSite.java:112)
at org.codehaus.groovy.tools.shell.Groovysh (Groovysh.groovy:463)
at org.codehaus.groovy.tools.shell.Groovysh (Groovysh.groovy:402)
at org.apache.sqoop.shell.SqoopShell (SqoopShell.java:128)
Caused by: Exception: java.lang.Throwable Message: Invalid connector id 4
Stack trace:
at org.apache.sqoop.handler.ConnectorRequestHandler (ConnectorRequestHandler.java:85)
at org.apache.sqoop.server.v1.ConnectorServlet (ConnectorServlet.java:49)
at org.apache.sqoop.server.SqoopProtocolServlet (SqoopProtocolServlet.java:48)
at javax.servlet.http.HttpServlet (HttpServlet.java:617)
at javax.servlet.http.HttpServlet (HttpServlet.java:723)
at org.apache.catalina.core.ApplicationFilterChain (ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain (ApplicationFilterChain.java:206)
at org.apache.hadoop.security.authentication.server.AuthenticationFilter (AuthenticationFilter.java:592)
at org.apache.hadoop.security.authentication.server.AuthenticationFilter (AuthenticationFilter.java:555)
at org.apache.catalina.core.ApplicationFilterChain (ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain (ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve (StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve (StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve (StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve (ErrorReportValve.java:103)
at org.apache.catalina.core.StandardEngineValve (StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter (CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11Processor (Http11Processor.java:861)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler (Http11Protocol.java:606)
at org.apache.tomcat.util.net.JIoEndpoint$Worker (JIoEndpoint.java:489)
at java.lang.Thread (Thread.java:745)
sqoop:000>

终于报异常了 。