Unable to evaluate the expression Method threw 'java.util.ConcurrentModificationException' exception.
时间: 2023-10-23 12:48:03 浏览: 436
这个错误通常发生在遍历一个集合的过程中,同时又对这个集合进行了修改操作。这会导致迭代器抛出一个ConcurrentModificationException异常。解决该问题的方法是使用迭代器的remove()方法来进行删除操作,而不是直接使用集合的remove()方法。另外,也可以使用线程安全的集合类来避免并发修改异常的发生。
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Method threw java.lang.reflect.UndeclaredThrowableException exception. Cannot evaluate com.sun.proxy.$Proxy55.toString()
This error message suggests that an exception was thrown while trying to execute the `toString()` method on an object of type `com.sun.proxy.$Proxy55`. The root cause of the exception is not clear from this message, but it may be due to a variety of reasons such as an invalid argument, null pointer, or an exception thrown by the underlying method being invoked. To resolve this issue, you may need to examine the code that is calling this method and identify the source of the problem.
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