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当使用Galera时,当指向一个远程数据库(不仅仅是本地)时,我得到了 - 工作得很好。死锁只与Galera MYSQL集群
Caused by:
com.mysql.jdbc.exceptions.jdbc4.MySQLTransactionRollbackException:
Deadlock found when trying to get lock; try restarting transaction
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method) [rt.jar:1.7.0_85]
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAcc
essorImpl.java:57) [rt.jar:1.7.0_85]
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstr
uctorAccessorImpl.java:45) [rt.jar:1.7.0_85]
at java.lang.reflect.Constructor.newInstance(Constructor.java:526) [rt.jar:1.7.0_85]
at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)
at com.mysql.jdbc.Util.getInstance(Util.java:386)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1064)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3609)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3541)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2002)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2163)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2618)
at com.mysql.jdbc.ConnectionImpl.commit(ConnectionImpl.java:1654)
at org.jboss.jca.adapters.jdbc.local.LocalManagedConnection.commit(LocalManagedConnection.java:96)
我得到通过CDI事件,当事情到达JMS队列,在我进行READ /找到,如代码发射触发:
entityManager.find(getType(), id, LockModeType.PESSIMISTIC_WRITE);
比,我更新的对象和它的嵌套集,比我跑的 “更新”,这归结为(DAO的更新()内):
this.lock(myobj);
this.update(myobj);
凡锁()的作用:
entityManager.lock(entity, LockModeType.PESSIMISTIC_WRITE);
和update()
结合:
entityManager.merge(entity);
entityManager.flush();
当我改变我的JBoss数据源配置为指向加莱拉URL这只是发生了 - 直接将一个(远程)DB - >没问题
我同意。尝试对加莱拉使用“悲观”似乎是“错误的”。 –