java.lang.ClassCastException: [B cannot be cast to [Ljava.lang.Object; at org.apache.ibatis.binding.MapperMethod.convertToArray(MapperMethod.java:136) at org.apache.ibatis.binding.MapperMethod.executeForMany(MapperMethod.java:119) at org.apache.ibatis.binding.MapperMethod.execute(MapperMethod.java:58) at org.apache.ibatis.binding.MapperProxy.invoke(MapperProxy.java:43) at com.sun.proxy.$Proxy33.selectUserKnapsackNew(Unknown Source)
哪位大佬帮忙解释解释 数据库读一个byte[] 类型 出了不少错 不知道咋改 一点想法都没有 点点我
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不光上面那些 下面有个线程问题 他们一起的
Exception in thread "pool-19-thread-24" java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
at java.util.ArrayList$Itr.next(Unknown Source)
at qlib.mina.ObjectMessage.copy(ObjectMessage.java:280)
at qlib.mina.ObjectMessage.toString(ObjectMessage.java:290)
at java.lang.String.valueOf(Unknown Source)
at java.lang.StringBuilder.append(Unknown Source)
at qlib.core.executor.NonOrderWork.run(NonOrderWork.java:36)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
1.类型转换错误
2.对ArrayList并发操作了
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