iBatis 2.2 SQLMAP heap dump websphere 6.0 AIX , DB2 V8 zOS -----------------------------------------------------------
Key: IBATIS-477 URL: https://issues.apache.org/jira/browse/IBATIS-477 Project: iBatis for Java Issue Type: Bug Components: SQL Maps Affects Versions: 2.2.0 Environment: iBatis 2.2 AIX 5.x Websphere 6.0 , IBM DB2 V8 zOS , JDBC Reporter: Jerry Sun Priority: Critical We have heap dump happens and track down to iBatis SQLMap. Please see following. Any help will be appreciate. Thanks ! Maximum heap was set to 1024m and almost 1000mb of heap is in use. Anlaysis of the heapdump shows the com/ibatis/sqlmap/engine/* code occupying most of heap(Nearly 900mb). ******************** 402,544,512 (45%) [8,208] 573 array of java/lang/ThreadLocal$ThreadLocalMap$Entry 0x70000000cf85290 3,812,624 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x700000016051ca0 3,761,584 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x7000000308d4048 3,761,584 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x70000002a51fb30 3,761,536 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x70000003ff49b38 3,761,472 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x70000003fbea490 3,761,456 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x70000002663c540 3,761,240 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x700000023a3f510 3,761,240 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x70000001f850c20 3,761,240 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x70000002c798748 3,761,240 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x70000002beb8b08 3,761,240 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x70000000d431208 3,761,240 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x700000035b745f8 3,761,240 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x70000001ce4ae18 3,761,240 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x70000003623f1f0 3,761,240 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x700000022339948 3,761,240 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x70000001bffe348 3,761,240 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x70000001bcf6960 3,761,240 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x70000003e6e9058 3,761,240 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x7000000223b3130 3,761,240 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x700000007d7a088 There are 553 more children Expansion of each of the object shows the com/ibatis/sqlmap/engine/* code 3,812,624 (0%) [48] 3 java/lang/ThreadLocal$ThreadLocalMap$Entry 0x700000016051ca0 3,812,560 (0%) [32] 1 java/util/ArrayList 0x700000016051c78 3,812,528 (0%) [96] 1 array of java/lang/Object 0x700000016051c08 3,812,432 (0%) [64] 5 com/ibatis/dao/engine/impl/DaoContext 0x7000000105fb018 3,792,120 (0%) [24] 1 com/ibatis/dao/engine/transaction/sqlmap/SqlMapDaoTransactionManager 0x7000000105fa258 3,792,096 (0%) [32] 2 com/ibatis/sqlmap/engine/impl/SqlMapClientImpl 0x7000000109ebaa8 3,792,064 (0%) [128] 10 com/ibatis/sqlmap/engine/impl/SqlMapExecutorDelegate 0x700000010714088 3,237,584 (0%) [64] 1 java/util/HashMap 0x700000010714038 3,237,520 (0%) [8,208] 492 array of java/util/HashMap$Entry 0x700000013cbaf98 31,464 (0%) [40] 3 java/util/HashMap$Entry 0x7000000151c1128 28,144 (0%) [40] 3 java/util/HashMap$Entry 0x700000013edc5c8 3,208 (0%) [128] 8 com/ibatis/sqlmap/engine/mapping/statement/InsertStatement 0x7000000151b8010 2,584 (0%) [72] 7 com/ibatis/sqlmap/engine/mapping/parameter/BasicParameterMap 0x7000000151b7558 1,112 (0%) [48] 4 array of com/ibatis/sqlmap/engine/mapping/parameter/BasicParameterMapping 0x7000000151c14b8 272 (0%) [104] 4 com/ibatis/sqlmap/engine/mapping/parameter/BasicParameterMapping 0x7000000151c1880 168 (0%) [32] 1 java/lang/String 0x7000000151c1850 136 (0%) [136] 0 char[] 0x7000000151c17c0 48 (0%) [32] 1 java/lang/String 0x700000005488f60 32 (0%) [32] 1 java/lang/String 0x7000000151c18f8 16 (0%) [16] 0 com/ibatis/sqlmap/engine/type/StringTypeHandler 0x7000000108c3700 272 (0%) [104] 4 com/ibatis/sqlmap/engine/mapping/parameter/BasicParameterMapping 0x7000000151c1718 264 (0%) [104] 4 com/ibatis/sqlmap/engine/mapping/parameter/BasicParameterMapping 0x7000000151b72c0 256 (0%) [104] 4 com/ibatis/sqlmap/engine/mapping/parameter/BasicParameterMapping 0x7000000151c19d8 936 (0%) [64] 1 java/util/HashMap 0x7000000151b7508 352 (0%) [48] 3 com/ibatis/sqlmap/engine/exchange/JavaBeanDataExchange 0x7000000151c1320 112 (0%) [32] 1 java/lang/String 0x7000000151b73d8 3,792,064 (0%) [128] 10 com/ibatis/sqlmap/engine/impl/SqlMapExecutorDelegate 0x700000010714088 304 (0%) [304] 0 class com/obus/admin/policyLinks/data/ServicesDTO 0x7000000151bdcc8 160 (0%) [32] 1 java/lang/String 0x700000010bcb0d8 352 (0%) [24] 1 com/ibatis/sqlmap/engine/mapping/sql/stat/StaticSql 0x7000000151c1160 128 (0%) [32] 1 java/util/ArrayList 0x7000000151b7fc8 16 (0%) [16] 0 array of com/ibatis/sqlmap/engine/mapping/result/ResultMap 0x7000000151b7ff0 ***************************************** -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.