tomcat服务器瞬间卡死，望高手不吝赐教，
严重: An exception or error occurred in the container during the request process
ing
java.lang.OutOfMemoryError: Java heap space
2012-08-05 09:42:50 [org.hibernate.transaction.JDBCTransaction]-[ERROR] JDBC rol
lback failed
 2012-08-05 09:42:47 [org.hibernate.transaction.JDBCTransaction]-[ERROR] JDBC ro
llback failed
 java.sql.SQLException: 违反协议
  at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.ja
va:70)
  at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:1
31)
  at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
:197)
  at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
:261)
  at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
:269)
  at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java
:490)
  at oracle.jdbc.driver.T4C7Ocommoncall.receive(T4C7Ocommoncall.java:130)
  at oracle.jdbc.driver.T4CConnection.doRollback(T4CConnection.java:626)
  at oracle.jdbc.driver.PhysicalConnection.rollback(PhysicalConnection.jav
a:3470)
  at com.mchange.v2.c3p0.impl.NewProxyConnection.rollback(NewProxyConnecti
on.java:855)
  at org.hibernate.transaction.JDBCTransaction.rollbackAndResetAutoCommit(
JDBCTransaction.java:217)
  at org.hibernate.transaction.JDBCTransaction.rollback(JDBCTransaction.ja
va:196)
  at org.springframework.orm.hibernate3.HibernateTransactionManager.doRoll
back(HibernateTransactionManager.java:674)
  at org.springframework.transaction.support.AbstractPlatformTransactionMa
nager.processRollback(AbstractPlatformTransactionManager.java:823)
  at org.springframework.transaction.support.AbstractPlatformTransactionMa
nager.rollback(AbstractPlatformTransactionManager.java:800)
  at org.springframework.transaction.interceptor.TransactionAspectSupport.
completeTransactionAfterThrowing(TransactionAspectSupport.java:339)
  at org.springframework.transaction.interceptor.TransactionInterceptor.in
voke(TransactionInterceptor.java:110)
  at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(
ReflectiveMethodInvocation.java:171)
  at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invok
e(ExposeInvocationInterceptor.java:89)
  at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(
ReflectiveMethodInvocation.java:171)
  at org.springframework.aop.framework.Cglib2AopProxy$DynamicAdvisedInterc
eptor.intercept(Cglib2AopProxy.java:635)
  at com.jpsycn.wggl.dongtai.service.impl.DongTaiServiceImpl$$EnhancerByCG
LIB$$12e35625.index(<generated>)
  at com.jpsycn.wggl.dongtai.struts.manager.action.DongTaiAction.index(Don
gTaiAction.java:177)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
  at java.lang.reflect.Method.invoke(Unknown Source)
  at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultA
ctionInvocation.java:441)