when hiveserver is executing sql, it throws an exception:
2011-12-14 00:40:43,762 Stage-1 map = 90%, reduce = 13% 2011-12-14 00:40:45,771 Stage-1 map = 92%, reduce = 13% 2011-12-14 00:40:46,777 Stage-1 map = 96%, reduce = 13% 2011-12-14 00:40:47,782 Stage-1 map = 97%, reduce = 13% 2011-12-14 00:40:48,787 Stage-1 map = 98%, reduce = 13% 2011-12-14 00:40:49,791 Stage-1 map = 99%, reduce = 13% 2011-12-14 00:40:50,796 Stage-1 map = 100%, reduce = 13% 2011-12-14 00:40:51,800 Stage-1 map = 100%, reduce = 30% 2011-12-14 00:40:58,830 Stage-1 map = 100%, reduce = 100% Ended Job = job_201111141853_635398 OK Exception in thread "pool-1-thread-100" java.lang.StackOverflowError at java.util.concurrent.ConcurrentHashMap.putIfAbsent(ConcurrentHashMap.java:1079) at java.lang.ClassLoader.getClassLoadingLock(ClassLoader.java:462) at java.lang.ClassLoader.loadClass(ClassLoader.java:403) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:356) at com.sun.org.apache.xerces.internal.impl.dv.ObjectFactory.findProviderClass(ObjectFactory.java:398) at com.sun.org.apache.xerces.internal.impl.dv.ObjectFactory.newInstance(ObjectFactory.java:353) at com.sun.org.apache.xerces.internal.impl.dv.DTDDVFactory.getInstance(DTDDVFactory.java:62) at com.sun.org.apache.xerces.internal.impl.dv.DTDDVFactory.getInstance(DTDDVFactory.java:47) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.<init>(XML11Configuration.java:565) at com.sun.org.apache.xerces.internal.parsers.XIncludeAwareParserConfiguration.<init>(XIncludeAwareParserConfiguration.java:130) at com.sun.org.apache.xerces.internal.parsers.XIncludeAwareParserConfiguration.<init>(XIncludeAwareParserConfiguration.java:91) at sun.reflect.GeneratedConstructorAccessor2.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:525) at java.lang.Class.newInstance0(Class.java:372) at java.lang.Class.newInstance(Class.java:325) at com.sun.org.apache.xerces.internal.parsers.ObjectFactory.newInstance(ObjectFactory.java:352) at com.sun.org.apache.xerces.internal.parsers.ObjectFactory.createObject(ObjectFactory.java:157) at com.sun.org.apache.xerces.internal.parsers.ObjectFactory.createObject(ObjectFactory.java:100) at com.sun.org.apache.xerces.internal.parsers.DOMParser.<init>(DOMParser.java:138) at com.sun.org.apache.xerces.internal.parsers.DOMParser.<init>(DOMParser.java:122) at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.<init>(DocumentBuilderImpl.java:120) at com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl.newDocumentBuilder(DocumentBuilderFactoryImpl.java:76) at org.apache.hadoop.conf.Configuration.loadResource(Configuration.java:1282) at org.apache.hadoop.conf.Configuration.loadResources(Configuration.java:1251) at org.apache.hadoop.conf.Configuration.getProps(Configuration.java:1192) at org.apache.hadoop.conf.Configuration.set(Configuration.java:461) at org.apache.hadoop.mapred.JobConf.setJar(JobConf.java:426) at org.apache.hadoop.mapred.JobConf.setJarByClass(JobConf.java:444) at org.apache.hadoop.mapred.JobConf.<init>(JobConf.java:339) at org.apache.hadoop.hive.conf.HiveConf.initialize(HiveConf.java:617) at org.apache.hadoop.hive.conf.HiveConf.<init>(HiveConf.java:588) at org.apache.hadoop.hive.metastore.HiveMetaStore$HMSHandler.<init>(HiveMetaStore.java:190) at org.apache.hadoop.hive.service.HiveServer$HiveServerHandler.<init>(HiveServer.java:94) at org.apache.hadoop.hive.service.HiveServer$ThriftHiveProcessorFactory.getProcessor(HiveServer.java:503) at org.apache.thrift.server.TThreadPoolServer$WorkerProcess.run(TThreadPoolServer.java:246) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:722) Hive history file=/tmp/hdfs/hive_job_log_hdfs_201112140042_2056220006.txt 37860.048: [GC 37860.048: [ParNew: 2529200K->3304K(3686400K), 0.0133750 secs] 2634845K->108963K(4710400K), 0.0134870 secs] [Times: user=0.06 sys=0.00, real=0.02 secs] Hive history file=/tmp/hdfs/hive_job_log_hdfs_201112140043_1286096583.txt 37920.093: [GC 37920.093: [ParNew: 1918585K->3218K(3686400K), 0.0117880 secs] 2024244K->108877K(4710400K), 0.0118950 secs] [Times: user=0.04 sys=0.00, real=0.01 secs] Hive history file=/tmp/hdfs/hive_job_log_hdfs_201112140044_1787703059.txt 37980.126: [GC 37980.126: [ParNew: 1913955K->3238K(3686400K), 0.0128510 secs] 2019613K->108896K(4710400K), 0.0129470 secs] [Times: user=0.07 sys=0.00, real=0.02 secs] Exception in thread "pool-1-thread-101" java.lang.StackOverflowError at java.util.concurrent.ConcurrentHashMap.putIfAbsent(ConcurrentHashMap.java:1079) at java.lang.ClassLoader.getClassLoadingLock(ClassLoader.java:462) at java.lang.ClassLoader.loadClass(ClassLoader.java:403) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410) at java.lang.ClassLoader.loadClass(ClassLoader.java:410)