error java lang nullpointerexception unexpected error

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ZendStudioforEclipse's java. lang. NullPointerException error resolutionphp tutorial

ZendStudioforEclipse's java. lang. NullPointerException solution. Of course, this item is very memory-consuming and will not be recommended for configuration. recently, I found that this error occurs when ZendStudioforEclipse is enabled after the PHP project is created. Aninterna is very memory-consuming, and it is not

Null pointer error java. lang. NullPointerException

empty string, it is a null object .), The println method of the out object cannot directly operate on the null object. Therefore, the JSP page where code segment 1 is located will throw a "java. lang. NullPointerException" exception.Even if the Object may be empty, some methods of java.

Error series for Android development (1), java. lang. NullPointerException, at android. widget. ListView. setupChild, appwidgetlistview

Error series for Android development (1), java. lang. NullPointerException, at android. widget. ListView. setupChild, appwidgetlistview Problem description: The Running code reports a null pointer error, java.

ZendStudioforEclipse's java. lang. NullPointerException error

ZendStudioforEclipse6.x can be regarded as the best php ide. of course, this item is very memory-consuming and will not be recommended for configuration. Recently, this error occurs when Zend Studio for Eclipse is enabled after the PHP project is created. An internal error occurred during: "Building PHP projects ..." Java.

When axis2 uses https, the error java. Lang. nullpointerexception is returned.

Lab environment: JDK 1.6, Axis2-1.3, using SSL/TLS (one-way/two-way authentication), Tomcat 5.5/glassfish v2 When you use SSL/TLS to access the Web Service of axis2, the following error occurs:Exception in thread "Main" org. Apache. axis2.axisfault: Java. Lang. nullpointerexception This

My exceptions-java. lang. NullPointerException, nullpointerexception

My exceptions-java. lang. NullPointerException, nullpointerexception I believe everyone is very familiar with this exception. I believe that everyone has met this exception in their programming career. During the development of 3.1 of colleges and universities, such errors were thrown out again. This is a small bug, bu

Java. Lang. excetion, java. Lang. runtimeexception, java. Lang. Error what is the difference?

The error class object is generated and thrown by the Java virtual machine, and the exception class object is generated and thrown by the application.ProgramProcess or throwError indicates that recovery is not a serious problem that is impossible but difficult. For example, memory overflow. It is impossible to expect the program to handle such a situation.Error indicates system-level errors and exceptions t

Java. lang. OutOfMemoryError solution, java. lang. error

Java. lang. OutOfMemoryError solution, java. lang. error Cause: The following are common causes: 1. The amount of data loaded in the memory is too large, such as extracting too much data from the database at a time; 2. There are references to objects in the Collection class,

Java. lang. NullPointerException java. lang. Double. parseDouble

Java. lang. NullPointerException:1: java. lang. Double. parseDoubleJava codeJava. lang. NullPointerExceptionSun. misc. FloatingDecimal. readJavaFormatString (FloatingDecimal. java: 991)

Error: Java. Lang. Long cannot be cast to Java. Lang. Integer Parsing

Error: Java. Lang. Long cannot be cast to Java. Lang. Integer Parsing Use a blog to record problems at work, give yourself a reminder, and give some reference to other friends. Error: Ja

Error: Java. Lang. nosuchmethodexception: com ..... Action, java. Lang. Class. getmethod ()

Just getting started with struts2, when passing parameters to the action, the system prompts an error all morning: Java. Lang. nosuchmethodexception: com... Action, java. Lang. Class. getmethod ()...... Solutions found on the Internet. It is found that actions in struts2 can

Analysis of Java. Lang. nullpointerexception

Analysis of Java NULL pointer exceptions (1) The Java language has an "exception mechanism" to handle special cases in the program. For example, if the divisor is zero, it is an "exception ".The NULL pointer exception java. Lang. nullpointerexception is a common exception.

Difficult installation of Aptana plug-in (continued)-the failure to start myeclipse and the failure to report java. Lang. nullpointerexception

If it is reproduced, please describe the source! Http://blog.csdn.net/xukunddp I was frustrated when I wrote my blog in the previous article. Although I knew the steps for installing Aptana, the results were not satisfactory. There were still some problems with using Aptana, which were not solved by many people on the Internet. The first problem is that myeclipse cannot be started every time it is opened. You have to delete Org. eclipse. update or Org. eclipse. the osgi folder can be used t

Null Pointer (Java. Lang. nullpointerexception)

When any method is called for a null pointer in Java, a null pointer exception (java. lang. NullPointerException) is thrown ). Null Pointer exceptions are definitely the most difficult to find and debug in Java, and you will never get any useful debugging information. Summar

Java. Lang. nullpointerexception: module 'null' not found

Today, when I was working on struts, I encountered the java. Lang. nullpointerexception: module 'null' not found error. I was depressed for a long time, The Web. xml file is not configured./WEB-INF/struts-config2.xml If this problem occurs, try this method! It is inconvenient to change eclipse, and it is inconvenient t

Severe: exception starting filter struts2 java. Lang. nullpointerexception

Severe: exception starting filter struts2 Java. Lang. nullpointerexception At com. opensymphony. xwork2.util. filemanager $ filerevision. needsreloading (filemanager. Java: 209) At com. opensymphony. xwork2.util. filemanager. fileneedsreloading (filemanager. Java: 60) At com

Java. lang. NullPointerException, pointerexception when listView. getChildAt (I)

Java. lang. NullPointerException, pointerexception when listView. getChildAt (I) BaseAdapter returns the component that can display the number of items on the current screen. Therefore, it uses listView. getChildAt (I ); The returned result is a widget that can be displayed on the current screen. You cannot use the listView. getChildAt (I) method to retrieve widg

Org. w3c. dom. ls. LSException: java. lang. NullPointerException, Chinese programming

Org. w3c. dom. ls. LSException: java. lang. NullPointerException, Chinese programming Operating Environment: OS: WIN 10.0.14393 x64 family Edition JDK: JavaSE 1.5.0 _ 20 i586 Tomcat: 6.0.48 win32 ----------------------------------------------------------------- Procedure: Run startup. bat to start Tomcat. ----------------------------------------------------------

ADT version problems in Android: Java. Lang. noclassdeffounderror and conversion to Dalvik format failed with error 1 error

I recently encountered more than N errors when I configured the android Development Environment on Ubuntu. Let's talk about it. If there is a similar error, just modify it. So far, the ADT version has been upgraded to 18. When the SDK version is upgraded to 4.0.3, the ADT version is required to be 17 or later. If any problem occurs after the upgrade, it may be caused by the JDK version. Please note that, adt17 requires that the JDK version be in JDK 1

M2eclipse java. Lang. nullpointerexception

An error is reported when you use m2eclipse to import an existing Maven project. Java. Lang. nullpointerexceptionAt org. Apache. Maven. plugin. defaultindescriptorcache $ cachekey. At org. Apache. Maven. plugin. defaultindescriptorcache. createkey (defaultplugindescriptorcache. Java: 62)At org. Apache. Maven. plugin.

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