Question

Exception in thread "Thread-13" java.lang.OutOfMemoryError: Java heap space(在线等内存溢出)

at com.sap.conn.rfc.driver.CpicDriver.rflush(CpicDriver.java:318)
at com.sap.conn.rfc.engine.RfcIoOpenCntl.ab_rfcflush(RfcIoOpenCntl.java:
819)
at com.sap.conn.rfc.engine.RfcIoOpenCntl.ab_rfcwrite(RfcIoOpenCntl.java:
705)
at com.sap.conn.rfc.engine.RfcPut.ab_rfcput(RfcPut.java:111)
at com.sap.conn.rfc.engine.RfcCall.RfcCallNew(RfcCall.java:172)
at com.sap.conn.rfc.engine.RfcCall.ab_rfccxt2(RfcCall.java:192)
at com.sap.conn.rfc.engine.RfcIoOpenCntl.RfcCall(RfcIoOpenCntl.java:1870
)
at com.sap.conn.rfc.engine.RfcIoOpenCntl.RfcCallReceive(RfcIoOpenCntl.ja
va:2020)
at com.sap.conn.jco.rt.MiddlewareJavaRfc$JavaRfcClient.reset(MiddlewareJ
avaRfc.java:1183)
at com.sap.conn.jco.rt.ClientConnection.internalReset(ClientConnection.j
ava:469)
at com.sap.conn.jco.rt.PoolingFactory.releaseClient(PoolingFactory.java:
671)
at com.sap.conn.jco.rt.ConnectionManager.releaseClient(ConnectionManager
.java:104)
at com.sap.conn.jco.rt.Context.releaseConnection(Context.java:270)
at com.sap.conn.jco.rt.RfcDestination.execute(RfcDestination.java:1064)
at com.sap.conn.jco.rt.RfcDestination.execute(RfcDestination.java:1044)
at com.sap.conn.jco.rt.AbapFunction.execute(AbapFunction.java:251)
at com.sapwms.inf.jco.EketfromR3ToClient.GetDataFromR3ToClient(EketfromR
3ToClient.java:111)
at com.sapwms.If_Jco_Send$DataUnit.CheckQtyFromSAP(If_Jco_Send.java:688)

at com.sapwms.If_Jco_Send$DataUnit$SendDataThread.run(If_Jco_Send.java:1
947)
请帮忙解决下，如果修改内存溢出呢？这个接口要7*24小时启动的，不能停掉的

Answer 1

你将java heap堆溢出了，看看在业务类中，是否大量new了大的对象，还有就是看看是否流对象没有关闭，在网上找找虚拟机调优设计参数，可以将heap适当的调大点，注意垃圾回收。

Answer 2

Exception in thread

Answer 3

Exception in thread

Answer 4

Exception in thread

Answer 5

Exception in thread

Answer 6

Exception in thread