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Andrew Kyle Purtell resolved HBASE-10494. ----------------------------------------- Resolution: Incomplete > hadoop2 class reference in Maven Central's hbase-client-0.96.1.1-hadoop1 > ------------------------------------------------------------------------ > > Key: HBASE-10494 > URL: https://issues.apache.org/jira/browse/HBASE-10494 > Project: HBase > Issue Type: Bug > Affects Versions: 0.96.1.1 > Environment: Only affects jar on Maven Central. Jar in the hadoop1 > tarball download is not affected. > Reporter: Dan LaRocque > Priority: Minor > > RpcClient$Connection.class as shipped in the hbase-client-0.96.1.1-hadoop1 > jar on Maven Central contains references to > org.apache.hadoop.net.SocketInputWrapper. I think this class does not exist > in hadoop1 because a classfile search of central yields hits only on 2.0 and > 0.23. There may be other references. I only know about this one because it > was killing my HRegionServer early with this exception: > {noformat} > 2014-02-10 20:55:52,021 INFO [M:0;dalarolap:48768] master.ServerManager: > Waiting for region servers count to settle; currently checked in 0, slept for > 0 ms, expecting minimum of 1, maximum of 2147483647, timeout of 4500 ms, > interval of 1500 ms. > 2014-02-10 20:55:52,066 WARN [RS:0;dalarolap:33703] > regionserver.HRegionServer: error telling master we are up > com.google.protobuf.ServiceException: java.lang.NoClassDefFoundError: > org/apache/hadoop/net/SocketInputWrapper > at > org.apache.hadoop.hbase.ipc.RpcClient.callBlockingMethod(RpcClient.java:1670) > at > org.apache.hadoop.hbase.ipc.RpcClient$BlockingRpcChannelImplementation.callBlockingMethod(RpcClient.java:1711) > at > org.apache.hadoop.hbase.protobuf.generated.RegionServerStatusProtos$RegionServerStatusService$BlockingStub.regionServerStartup(RegionServerStatusProtos.java:5402) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.reportForDuty(HRegionServer.java:1926) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:784) > at java.lang.Thread.run(Thread.java:744) > Caused by: java.lang.NoClassDefFoundError: > org/apache/hadoop/net/SocketInputWrapper > at > org.apache.hadoop.hbase.ipc.RpcClient.createConnection(RpcClient.java:348) > at > org.apache.hadoop.hbase.ipc.RpcClient.getConnection(RpcClient.java:1522) > at org.apache.hadoop.hbase.ipc.RpcClient.call(RpcClient.java:1424) > at > org.apache.hadoop.hbase.ipc.RpcClient.callBlockingMethod(RpcClient.java:1653) > ... 5 more > Caused by: java.lang.ClassNotFoundException: > org.apache.hadoop.net.SocketInputWrapper > at java.net.URLClassLoader$1.run(URLClassLoader.java:366) > at java.net.URLClassLoader$1.run(URLClassLoader.java:355) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:354) > at java.lang.ClassLoader.loadClass(ClassLoader.java:425) > at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) > at java.lang.ClassLoader.loadClass(ClassLoader.java:358) > ... 9 more > {noformat} > I first stumbled over this while developing an app managed by Maven that > depends on hbase-client, but then reproduced it by extracting the hadoop1 > tarball and replacing the client jar with the same-named one from Maven > Central. > I think this is not the same as HBASE-7269, although the stacktrace is > similar. > Here's a disassembler grep on the Maven Central copy showing some references: > {noformat} > # From the root of an extracted hbase-client-0.96.1.1-hadoop1 jar downloaded > from Maven Central > client-maven$ javap -verbose > 'org/apache/hadoop/hbase/ipc/RpcClient$Connection.class' | grep > SocketInputWrapper > #198 = Methodref #744.#818 // > org/apache/hadoop/net/NetUtils.getInputStream:(Ljava/net/Socket;)Lorg/apache/hadoop/net/SocketInputWrapper; > #818 = NameAndType #1115:#1159 // > getInputStream:(Ljava/net/Socket;)Lorg/apache/hadoop/net/SocketInputWrapper; > #1159 = Utf8 > (Ljava/net/Socket;)Lorg/apache/hadoop/net/SocketInputWrapper; > 180: invokestatic #198 // Method > org/apache/hadoop/net/NetUtils.getInputStream:(Ljava/net/Socket;)Lorg/apache/hadoop/net/SocketInputWrapper; > {noformat} > Here's the same grep on the tarball's copy. No references. > {noformat} > # Same as above, but using jar from the download tarball for hadoop1 > client-tarball$ javap -verbose > 'org/apache/hadoop/hbase/ipc/RpcClient$Connection.class' | grep > SocketInputWrapper > client-tarball$ > {noformat} > What do you think? -- This message was sent by Atlassian Jira (v8.20.7#820007)