java lang runtimeexception

Java. lang. OutOfMemoryError: PermGen space and Its Solution, Recently, an airport project reported an error on the tomcat terminal. Check the log and find that "java. lang. OutOfMemoryError: PermGen space" causes service impact. The centos 6.5 System Java 1.7-79 Tomcat a

By default, the image display function is not enabled for Tomcat/resin in Linux. You need to add support options.In Linux, when we use Java image packages to process images, we often encounter Java. lang. noclassdeffounderror: Sun. AWT. x11graphicsenvironment, because the Java Virtual Machine needs local X-server suppo

Environment Myeclipse 8.6 + JBoss 6.0 + JDK 1.6.13 + EJB 3.0 Problem The following exception occurs in the entitybean test: Java. Lang. illegalargumentexception: unknownentity user. Solution Place persistence. xml under the SRC \ META-INF directory, if the src directory does not have a META-INF folder, you can create a new one. Error: do not place persistence. xml under \ webroot \ META-INF. References Http

Java. lang. IllegalArgumentException: Illegal character in query at index 261, LoadingPage is used in BaseFragment, while AsyncHttpClient is used for online loading of LoadingPage.Always reported java. lang. IllegalArgumentException: Illegal character in query at index 261If the resolution fails, you can change it to

Android Xposed framework has the java. lang. IllegalAccessError: Class ref in pre-verified class resolved to unexpected implementation problem, android The first time I played the Xposed framework, I wrote a demo in the format of multiple demos and found that public abstract void handleLoadPackage(LoadPackageParam lpparam) throws Throwable; Method, go/Data/de. robv. android. xposed. installer/log/error. log

Java. lang. OutOfMemoryError: GC overhead limit exceeded, limitexceeded The reason for writing it down is that you don't want to find it everywhere next time. Many times the error message is the same, but there are many causes. I tested the adoption of a virtual machine startup:-XX:-UseGCOverheadLimit Write down the original article link and mark it as "thank you; Http://www.cnblogs.com/hucn/p/3572384

1.Warning: Failed to register in JMX: javax. Naming. namingexception: cocould not load resource factory class [root exception is Java. Lang. classnotfoundexception: org. Apache. commons. DBCP. basicdatasourcefactory] 2.Caused by: Java. Lang. noclassdeffounderror: ORG/Apache/commons/pool/impl/genericobjectpool I encou

Java. Lang. illegalaccesserror: tried to access field org. slf4j. impl. staticloggerbinder. Singleton from class org. slf4j. loggerfactory When using hbm2java, using the hibernate-distribution-3.3.1.GA-dist version, after the program and configuration file is completed, the running program appears exception in thread "Main"Java.

Start the Tomcat server on the eclipse server to run the web project. An exception occurs. Java. Lang. classnotfoundexception Information: Set web app root system property:'Webapp. root' =[F: \ work_space_soft \. Metadata \. plugins \ org. Eclipse. WST. server. Core \ tmp0 \ wtpwebapps \ lottes_03_14 \]3:14:43Org. Apache. Catalina. Core. applicationcontext log information: initializing log4j from[F:

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 recommended if the configuration is almost complete. Recently, this error occurs when Ze