how to get error code from exception in java

When you use special tags in a field to distinguish between object types, you may produce errors that mark incorrectly labeling related data--known as the impostor Type error pattern. In this part of diagnosing Java code, Eric Allen analyzes the symptoms and causes of this error, explains in detail how to prevent error

Title, I used to myeclipse,eclipse, in the JSP write Java code are can, now I replaced the idea, but inexplicable errorAnd there are no code hints, such as this, although the operation can still run ... But in the case of obsessive-compulsive disorder, I can't bear it.I've always thought that idea is not very supportive of this kind of writing (after all, MVC tho

In Eclipse, toss Java code.Take the previous code from Android and use it.The result appears the import Org.apache cannot be resolved error:"Resolution Process"1. Here:For help, Eclispe development cannot import Org.apache packageAndThe import Org.apache cannot be resolvedAll said, let go: Add External Jar ' s Configure build path---Libraries, pro

Issue: When you compile your Java class, you may got following error. The Code of method is exceeding the 65535 bytes limit Reason: According Java specification, one Java method size must be less than 65535 bytes (64 K ). in most cases you encounter this

The Java language interface is a powerful tool. It has many advantages of multiple inheritance, without any problems. Specify an interface for all the services that the customer wants to use, making it possible to insert different implementations of this interface when needed. Unfortunately, the part of the specification that can be expressed is only a description of the method. For any implementation, there are probably many other invariants that wa

In Java, it is not allowed to write code that cannot be executed, and such errors can be categorized in the following ways: ReturnThe statement after return is treated as invalid code. ThrowThe code after throwing an exception directly with throw is treated as inval

You will often see that the code does not initialize the class simply by calling the constructor, it also initializes the class with some immediate action intended to set the fields. Unfortunately, this next action is the wrong high zone, which leads to a continuous initialization (run-on initialization) type of error. Continuous initialization For a variety of reasons (mostly bad), yo

A week did not open their own computer eclipse, an open unexpectedly error, the errors are as follows:CDM run Java-version and Javac run the Javac times wrong, error hints are as follows:Then found that the JDK bin is not Dt.jar and Tools.jar, originally installed JDK and JRE, the first installation of the JDK, and then installed JRE,JRE may overwrite the content

I have also encountered this error, when the queue manager, queues, channels are all created, but is an error hostname=192.168.8.46Channel=ch1Qmanager=wnms3_qm MQJE001: The completion code is "2" and the reason is "2059".COM.IBM.MQ.MQEXCEPTION:MQJE001: The completion code is "2" and the reason is "2059".At Com.ibm.mq.

This error occurs: A class, interface, or enum hint is required, generally in two cases:1. The code is incorrectly written;2. There is a problem with the Encoder selection encoding format. ( mainly in non-Notepad to write code files, there is an encoding format conversion problem.) )such as the error message, we can se

Since the project was run in Eclipse, we re-modified a Java class, causing Tomcat to reload all of the class, jar, and load of the project after multiple loads due to the limited storage space allocated. The result: Java.lang.OutOfMemoryError:PermGen space error occurred. It's my personal understanding.My workaround is to configure this in Tomcat Server.xml:false" source= "e:/workspace/test/webcontent/ "/>T

Some time ago to develop a project, using MAVEN to compile the Times "illegal characters: \65279", but the eyes see how all right, the file into Utf-8 encoding or error.Finally no way, the violence solved this question, the steps are as follows1. Copy the contents of the file, I copied it into the sublime Text2.2. Delete the original file.3. Create a new Java file and paste the copied text back in. Get.Finally checked, or many people have encountered