java lang noclassdeffounderror

Symptom: It can be compiled by using eclipse and other IDE development tools, but can be run. However, it can be compiled by saving dos in notepad and cannot be run. The error "exception in thread" Main "Java. lang. noclassdeffounderror ". Solution: 1. It is impossible to set environment variables incorrectly because integrated development tools can run

When classloader is used to load resources, the following errors often occur: Exception in thread "Main" Java. Lang. noclassdeffounderror: COM/tools/resultAt java. Lang. Class. getdeclaredconstructors0 (native method)At java.

ArticleDirectory Cause of exception: Solution: Exception in thread "Main" Java. Lang. noclassdeffounderror: COM/Sun/mail/util/lineinputstreamCause of exception: The Java EE version is different from that of javamail.For example, if javamail 1.3 or lower is on javaee5, the above error will occur, but it will

) java.net.URLClassLoader.findClass(URLClassLoader.java:188) java.lang.ClassLoader.loadClass(ClassLoader.java:306) java.lang.ClassLoader.loadClass(ClassLoader.java:299) sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276) java.lang.ClassLoader.loadClass(ClassLoader.java:299) java.lang.ClassLoader.loadClass(ClassLoader.java:251) java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) org.apache.jasper.runtime.JspFactoryImpl.getJspApplicationContext(JspFactor

Javax. servlet. ServletException: java. lang. NoClassDefFoundError: javax/el/ELResolver error solution, Today, you don't need eclipse, myeclipse, or other development tools. When writing a JSP page (a little dead), you suddenly encounter problems that you have never encountered before. The error is as follows: HTTP Status 500 - java.lang.NoClassDefFoundError: jav

The Android program depends on a Library program B. The requirements for converting formatted json strings to standard json strings are used in program B. Public static String jsonFormatter (String uglyJSONString) {Gson gson = new GsonBuilder (). setPrettyPrinting (). create (); JsonParser jp = new JsonParser (); JsonElement je = jp. parse (uglyJSONString); String prettyJsonString = gson. toJson (je); return prettyJsonString ;} However, in the Android program

Environment JBoss 6.0 + myeclipse 8.6 + MySQL 5.1 + Struts 2.3 + EJB 3.0 Problem When JBoss is started, "Java. Lang. noclassdeffounderror ORG/Apache/commons/lang3/stringutils jar" exception occurs. Solution The commons-lang3-3.1.jar is missing, add this jar to the build path of the project or under webroot/WEB-INF/lib. References Http://snowfigure.diandian.com/p

Java. lang. NoClassDefFoundError: ognl/PropertyAccessor solution, ognl expression I didn't want to write a special article for this article, but I found that no one answered such a simple question. From the perspective of convenient search, I took this question specially. In fact, the solution is to add the jar package of ognl. For example, I use ognl3.0.6, as

The external android project is imported to ecplise. The compilation is normal and an error is returned. The logcat is as follows: 12-19 10:55:25. 915: E/AndroidRuntime (2929): fatal exception: main12-19 10:55:25. 915: E/AndroidRuntime (2929): java. lang. noClassDefFoundError: com. guet. siriCN. mainActivity $1 www.2cto. com12-19 10:55:25. 915: E/AndroidRuntime (

For java. lang. NoClassDefFoundError: org/apache/commons/collections/FastHashMap During Java EE development, when data in the configuration file or user form submitted data is encapsulated in the corresponding attributes of the corresponding JavaBean object: in actual development, use the third method toolkit BeanUtil

It can be compiled normally, but the error "Java. Lang. noclassdeffounderror: ORG/jaxen/jaxenexception" is reported during running. After some searching, there was no problem, but the jaxen. jar package was not used. Download from http://jaxen.org/ Jaxen is an XPATH engine developed using Java and supports JDOM a

During the development process, the following problem occurs: Java. lang. noclassdeffounderror: Android. support. v4.util. sparsearraycompat. This problem is very strange. The jar package has been installed and the compilation has passed. However, the class cannot be found during running. Noclassdeffounderror is genera

of the extension package for compilation. It also compiled the cocos2dx-3.9's official test-cpp/lua to android run, found that all continue to report errors. I suddenly realized it with a message from my colleagues. In fact, Himi is much less than Android development. Jar is introduced. Then I took the following steps to re-introduce the android-async-http-x.x.x.jar: Right-click libs under the android project and choose import> General> File System> Browse...* The jar package is cocos2dx/cocos/

was reminded by a colleague's remark. In fact, Himi on the Android side of the development compared to a lot less. The introduction of jars, I introduce problems caused by.Later I re-introduced Android-async-http-x.x.x.jar by the following steps to resolve:Right-click on the Android project under the Libs->import->general->file system->browse ...* This jar package is cocos2dx/cocos/platform/android/java/libs under the projectCheck Select Libs->finish

done after your reference, Here I will only talk about solutions that may cause problems. After writing the code, run, test, and an exception occurs: Java. lang. noclassdeffounderror: ORG/Apache/Oro/text/perl/perl5util The following error message indicates that the class definition is missing: ORG/Apache/Oro/text/perl/perl5util. And this class exists wit

Java. Lang. noclassdeffounderror: org. ksoap2.serialization. soapobject This is becauseProgramThe Org. ksoap2.serialization. soapobject package is not marked or is not completed. 1. In project properties, right-click the project Check whether the corresponding package is marked in Java build path --> libraries. 2

Error message: org. springframework. beans. factory. BeanCreationException: Error creating bean with name 'userservice' defined in file [F: \ eclipse \ ec_wp \ SpringProgramming0300 \ Bin \ com \ spring \ service \ UserService. class]: Initialization of bean failed; nested exception is org. springframework. beans. factory. BeanCreationException: Error creating bean with name 'Txadvice ': Cannot resolve reference to bean 'txmanager' while setting bean property 'transactionmanager'; nested excepti

Document directory Environment Problem Solution Environment JBoss 6.0 + myeclipse 8.6 + MySQL 5.1 + Struts 2.3 + EJB 3.0 Problem The following exception occurs when JBoss is started: Java. Lang. noclassdeffounderror: ORG/hornetq/API/CORE/client/clientsession Solution Check whether the struts jar package version is correct. My EJB project uses jar files such

org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:258)at org.apache.catalina.core.ApplicationFilterConfig.setFilterDef(ApplicationFilterConfig.java:382)at org.apache.catalina.core.ApplicationFilterConfig. Core error cause: java. lang. noClassDefFoundError: org/apache/commons/lang3/StringUtils. Obviously, this class is not fo