HBase协处理器中使用Solr时报错,如下

2018-07-11 17:06:14,054 INFO  [LruBlockCacheStatsExecutor] hfile.LruBlockCache: totalSize=417.42 KB, freeSize=395.89 MB, max=396.30 MB, blockCount=0, accesses=0, hits=0, hitRatio=0, cachingAccesses=0, cachingHits=0, cachingHitsRatio=0,evictions=8069, evicted=0, evictedPerRun=0.0
2018-07-11 17:06:23,523 ERROR [RpcServer.FifoWFPBQ.priority.handler=19,queue=1,port=16000] master.MasterRpcServices: Region server bjqt231.qt,16020,1531219308266 reported a fatal error:
ABORTING region server bjqt231.qt,16020,1531219308266: The coprocessor com.hbase.coprocesser.HbaseDataSyncEsObserver threw java.lang.NoClassDefFoundError: org/apache/http/entity/mime/content/ContentBody
Cause:
java.lang.NoClassDefFoundError: org/apache/http/entity/mime/content/ContentBody
at com.hbase.coprocesser.SolrUtil.insert(SolrUtil.java:53)
at com.hbase.coprocesser.HbaseDataSyncEsObserver.postPut(HbaseDataSyncEsObserver.java:79)
at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$32.call(RegionCoprocessorHost.java:923)
at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost$RegionOperation.call(RegionCoprocessorHost.java:1660)
at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.execOperation(RegionCoprocessorHost.java:1734)
at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.execOperation(RegionCoprocessorHost.java:1692)
at org.apache.hadoop.hbase.regionserver.RegionCoprocessorHost.postPut(RegionCoprocessorHost.java:919)
at org.apache.hadoop.hbase.regionserver.HRegion.doMiniBatchMutation(HRegion.java:3413)
at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2986)
at org.apache.hadoop.hbase.regionserver.HRegion.batchMutate(HRegion.java:2928)
at org.apache.hadoop.hbase.regionserver.RSRpcServices.doBatchOp(RSRpcServices.java:748)
at org.apache.hadoop.hbase.regionserver.RSRpcServices.doNonAtomicRegionMutation(RSRpcServices.java:708)
at org.apache.hadoop.hbase.regionserver.RSRpcServices.multi(RSRpcServices.java:2124)
at org.apache.hadoop.hbase.protobuf.generated.ClientProtos$ClientService$2.callBlockingMethod(ClientProtos.java:32393)
at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2141)
at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:112)
at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:187)
at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:167)
Caused by: java.lang.ClassNotFoundException: org.apache.http.entity.mime.content.ContentBody
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 18 more

 可看到提示说找不到类

org.apache.http.entity.mime.content.ContentBody

解决方法:添加依赖,如下
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpmime</artifactId>
<version>4.3.2</version>
</dependency>

 如果是HBase协处理器使用,建议打jar包时将依赖也打进jar包,在pom中添加

<build>
<finalName>SolrTest</finalName> <plugins>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<configuration>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
<archive>
<manifest>
<mainClass></mainClass>
</manifest>
</archive>
</configuration>
<executions>
<execution>
<id>make-assembly</id>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>

  maven install打包即可。

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