Try one of these suggestions: (1) run HBase and Hive in separate clusters (downside is that map/reduce tasks will have to issue remote request to region servers whereas normally they could run on the same nodes)
(2) debug the shim exception and see if you can contribute a patch that makes Hive compatible with that Hadoop version JVS On May 9, 2011, at 11:17 AM, labtrax wrote: > Hello, > > it seems that hive 0.6 an 0.7 is incompatible with the hadoop-append-jar from > hbase 0.90.2. But without the append-jar you cannot use hbase in > production... Any advices for the hadoop/hbase/hive-version-jungle? I already > ask this last month but I didn't get a reasonable answer. > > Cheers > labtrax > > > Hello, > > I have a hadoop cluster running with the hadoop_append-jar > (hadoop-core-0.20-append-r1056497-core.jar) > for hbase reason. > I tried hive 0.6.0 and 0.7.0 and for both each when I start it I get > Exception in thread "main" java.lang.RuntimeException: Could not load shims > in class null > at > org.apache.hadoop.hive.shims.ShimLoader.loadShims(ShimLoader.java:90) > at > org.apache.hadoop.hive.shims.ShimLoader.getHadoopShims(ShimLoader.java:66) > at org.apache.hadoop.hive.cli.CliDriver.main(CliDriver.java:249) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > at java.lang.reflect.Method.invoke(Method.java:597) > at org.apache.hadoop.util.RunJar.main(RunJar.java:156) > Caused by: java.lang.NullPointerException > at java.lang.Class.forName0(Native Method) > at java.lang.Class.forName(Class.java:169) > at > org.apache.hadoop.hive.shims.ShimLoader.loadShims(ShimLoader.java:87) > > My hive-site.xml: > <?xml version="1.0"?> > <?xml-stylesheet type="text/xsl" href="configuration.xsl"?> > <configuration> > <property> > <name>hive.metastore.warehouse.dir</name> > <value>hdfs://name-node:54310/hive</value> > <description>location of default database for the warehouse</description> > </property> > </configuration> > > My hadoop cluster is working properly, the hive dir is already created. > Any clues? > > labtrax > > > -- > NEU: FreePhone - kostenlos mobil telefonieren und surfen! > Jetzt informieren: http://www.gmx.net/de/go/freephone
