spring多线程调用REQUIRES_NEW卡死

Question

起多线程并发调用serviceA(REQUIRED),serviceA内部调用serviceB(REQUIRES_NEW),发现大部分线程在serviceB被调用时Suspending current transaction, creating new transaction后卡死，开不了事务。

jstack看到
"pool-2-thread-12" #42 prio=5 os_prio=31 tid=0x00007fbb38d5e000 nid=0x8103 waiting on condition [0x000070001020d000]
java.lang.Thread.State: WAITING (parking)

at sun.misc.Unsafe.park(Native Method)
- parking to wait for  <0x00000007997e1e28> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at org.apache.commons.pool2.impl.LinkedBlockingDeque.takeFirst(LinkedBlockingDeque.java:583)
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:442)
at org.apache.commons.pool2.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:363)
at org.apache.commons.dbcp2.PoolingDataSource.getConnection(PoolingDataSource.java:134)
at org.apache.commons.dbcp2.BasicDataSource.getConnection(BasicDataSource.java:1533)
at org.springframework.jdbc.datasource.DataSourceTransactionManager.doBegin(DataSourceTransactionManager.java:246)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.handleExistingTransaction(AbstractPlatformTransactionManager.java:429)
at org.springframework.transaction.support.AbstractPlatformTransactionManager.getTransaction(AbstractPlatformTransactionManager.java:349)
at org.springframework.transaction.interceptor.TransactionAspectSupport.createTransactionIfNecessary(TransactionAspectSupport.java:447)
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:277)
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:673)
at com.sh.busiService.IPService$$EnhancerBySpringCGLIB$$f70d0b3b.IPWithNewTransaction(<generated>)
at com.sh.busiService.SensorService.receiveMac01(SensorService.java:108)

以上逻辑之前在单线程处理中是没有问题的
请高手指教

Answer 1

任何多线程锁死的问题，不贴代码的提问，都是耍流氓