JVM crash reason
this is the crash log
#
# An unexpected error has been detected by HotSpot Virtual Machine:
#
# SIGSEGV (0xb) at pc=0xf7754a07, pid=20403, tid=2813246368
#
# Java VM: Java HotSpot(TM) Server VM (1.5.0_06-b05 mixed mode)
# Problematic frame:
# V [libjvm.so+0x152a07]
#
--------------- T H R E A D ---------------
Current thread (0x08145b60): JavaThread "CompilerThread0" daemon [_thread_in_native, id=20419]
siginfo:si_signo=11, si_errno=0, si_code=1, si_addr=0x00000000
Registers:
EAX=0x00000000, EBX=0xf7bad7f0, ECX=0x0856de60, EDX=0xa151fa0c
ESP=0xa7ae9df4, EBP=0xa7ae9e28, ESI=0x080f8c40, EDI=0x0856de60
EIP=0xf7754a07, CR2=0x00000000, EFLAGS=0x00010292
Top of Stack: (sp=0xa7ae9df4)
0xa7ae9df4: 00000000 a7ae9e28 f77549d1 0856de60
0xa7ae9e04: a16445c0 00004591 00004591 00000000
0xa7ae9e14: a7aea34c a151fa0c f7bad7f0 080f8c40
0xa7ae9e24: 0856de60 a7ae9e78 f7a533ec 0856de60
0xa7ae9e34: a7aea330 080f8c40 080f8c40 a152e124
0xa7ae9e44: a16445c0 0856de60 0000452c 3f7fff58
0xa7ae9e54: 00001983 080f8c40 00000001 00000021
0xa7ae9e64: 00001983 a7aea358 f7bad7f0 a7aea330
Instructions: (pc=0xf7754a07)
0xf77549f7: 85 c0 74 76 8b 7d 08 83 ec 0c 8b 47 04 8b 40 08
0xf7754a07: 8b 30 50 ff 56 44 83 c4 10 85 c0 74 5d 8b 55 08
Stack: [0xa7a6b000,0xa7aec000), sp=0xa7ae9df4, free space=507k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V [libjvm.so+0x152a07]
V [libjvm.so+0x4513ec]
V [libjvm.so+0x450e90]
V [libjvm.so+0x3d6a24]
V [libjvm.so+0x1a1496]
V [libjvm.so+0x19e432]
V [libjvm.so+0x1474b3]
V [libjvm.so+0x1a6929]
V [libjvm.so+0x1a6281]
V [libjvm.so+0x4c8366]
V [libjvm.so+0x4c2ba3]
V [libjvm.so+0x424338]
C [libpthread.so.0+0x53cc]
Current CompileTask:
opto:643 xxx.xxx.xxxx.TableCopyBean.copyBatch(Ljava/lang/String;Ljava/lang/String;Ljava/util/Hashtable;Ljava/util/List;)V (1021 bytes)
Use udcli command to analyze the Instructions
00000000f77549f7 85c0 test eax, eax
00000000f77549f9 7476 jz 0xf7754a71
00000000f77549fb 8b7d08 mov edi, [rbp+0x8]
00000000f77549fe 83ec0c sub esp, 0xc
00000000f7754a01 8b4704 mov eax, [rdi+0x4]
00000000f7754a04 8b4008 mov eax, [rax+0x8]
00000000f7754a07 8b30 mov esi, [rax]
00000000f7754a09 50 push rax
00000000f7754a0a ff5644 call qword [rsi+0x44]
00000000f7754a0d 83c410 add esp, 0x10
00000000f7754a10 85c0 test eax, eax
00000000f7754a12 745d jz 0xf7754a71
00000000f7754a14 8b5508 mov edx, [rbp+0x8]
objdump Native frames's first line:
00152a07 PhiNode::Identity(PhaseTransform*)+0x47
JDK version : 1.5.0_16
sorry i can't understand Assembly language,can anybody can help me with it ?
Here is the java code of function copyBatch
public void copyBatch(String targetTable, String sourceTable,
Hashtable<String, Object> conditionHt,
List<Hashtable<String, Object>> replaceColumnValueLt)
throws Exception {
ArrayList<ArrayList<Object>> paramValueList = new ArrayList<ArrayList<Object>>();
ArrayList<String> targetColumnList = getTblColList(targetTable);
_log.debug("[" + targetTable + "]get table columns " + targetColumnList);
ArrayList<String> defaultColumnList = getDefTblColList(targetTable);
_log.debug("[" + targetTable + "]get has default value columns"
+ defaultColumnList);
List removeList = new ArrayList();
if (!sourceTable.equals(targetTable)) {
ArrayList<String> sourceColList = getTblColList(sourceTable);
_log.debug("[" + sourceTable + "]get table columns "
+ sourceColList);
for (Map map : replaceColumnValueLt) {
for (String tCol : targetColumnList) {
if (!sourceColList.contains(tCol)) {
if (!map.containsKey(tCol)) {
if (defaultColumnList.contains(tCol)) {
if (!removeList.contains(tCol))
removeList.add(tCol);
} else {
map.put(tCol, "");
}// end if
}// end if
}// end if
}// end for
}// end for
}
for (int x = 0, xSize = removeList.size(); x < xSize; x++) {
String rCol = (String) removeList.get(x);
targetColumnList.remove(rCol);
}
for (Map map : replaceColumnValueLt) {
ArrayList<Object> tmpList = new ArrayList<Object>();
for (String column : targetColumnList) {
if (map.containsKey(column)) {
tmpList.add(map.get(column));
}
}
paramValueList.add(tmpList);
}
for (ArrayList<Object> array : paramValueList) {
Enumeration e = conditionHt.keys();
while (e.hasMoreElements()) {
String column = (String) e.nextElement();
Object value = conditionHt.get(column);
if (!(value instanceof List)) {
array.add(conditionHt.get(column));
}
}
}
StringBuffer sql = new StringBuffer();
sql.append("INSERT INTO " + targetTable + " (");
for (String column : targetColumnList) {
sql.append(column.toLowerCase() + ", ");
}
sql.setLength(sql.length() - 2);
Hashtable replaceColumnValueHt = replaceColumnValueLt.get(0);
sql.append(") SELECT ");
for (String column : targetColumnList) {
if (replaceColumnValueHt.containsKey(column)) {
sql.append("?, ");
} else {
sql.append(column.toLowerCase() + ", ");
}
}
sql.setLength(sql.length() - 2);
sql.append(" FROM " + sourceTable + " WHERE ");
Enumeration e = conditionHt.keys();
while (e.hasMoreElements()) {
String column = (String) e.nextElement();
Object value = conditionHt.get(column);
if (value instanceof List) {
sql.append(column.toLowerCase() + " IN ")
.append(TransFormat.convertListToIN((List) value))
.append(" AND ");
} else {
sql.append(column.toLowerCase() + " = ? AND ");
}
}
sql.setLength(sql.length() - 4);
SqlBean sqlBean = new SqlBean(_conn, sql.toString(), _log);
for (int i = 0; i < paramValueList.size(); i++) {
ArrayList<Object> pList = paramValueList.get(i);
for (int j = 0; j < pList.size(); j++) {
sqlBean.addParameter(pList.get(j));
}
sqlBean.addBatch();
}
sqlBean.executeBatch();
}
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