classnotfoundexception

问题 I'm trying to build a quartz scheduler ejb app and have it deployed on JBOSS EAP 6.4. Additionally, I'm trying to do so using quartz JDBC jobstore using an Oracle 11g database. Now, the problem is that whenever I try to schedule a job, I get this exception : 18:45:01,024 ERROR [org.jboss.msc.service.fail] (ServerService Thread Pool -- 50) MSC000001: Failed to start service jboss.deployment.unit."com.hp.heimdall.jar".component.QuartzBootstraper.START: org.jboss.msc.service.StartException in

问题 I am trying to get simple spring application up and running posted at Spring Example. I am getting SEVERE: Servlet /MavenWeb threw load() exception java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1676) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1521) at org.apache.catalina.core.DefaultInstanceManager.loadClass(DefaultInstanceManager.java

问题 I have a web development project using local install of Tomcat 7 . I am trying to connect to SQL Server 2012 using Microsoft's driver for jdbc ( sqljdbc41.jar ). The sqljdbc41.jar is in my application build path: and I am exporting it. Furthermore, in the Tomcat application directory lib folder I have also placed a copy of sqljdbc41.jar . There are no compile errors, but at runtime when I try to load the SQL Server driver I get the following: ClassNotFoundException - com.microsoft.jdbc

问题 This seems to be a common problem, but I could not find a working solution. I've looked through dozens of thread and have been working with my teacher. I am trying to connect to MYSQL using JDBC. I'm also using a tomcat server and running xubuntu 12.04. I am getting ClassNotFound exception. I've tried the JDBC mysql-connector-java.jar driver placed in both /tomact/lib and /usr/share/java and have manually built paths in each instance. I've also tried adding paths through deploy assembly. I've

问题 I'm having a heck of a time getting a pooling connection manager to work for Resteasy clients. Deploying on Wildfly 8.1. import org.apache.http.client.HttpClient; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.impl.conn.PoolingClientConnectionManager; import org.jboss.resteasy.client.jaxrs.ResteasyClient; import org.jboss.resteasy.client.jaxrs.ResteasyClientBuilder; import org.jboss.resteasy.client.jaxrs.engines.ApacheHttpClient4Engine; ...

问题 OK now I know that this question has been asked before several times on SO but none of the answers have worked for me. I am attempting to create a custom preference for my project. More specifically it is a preference with a HorizontalListView attached directly underneath it. I basically created it by modifying this code for a SeekBarPreference (which I am also using and is working fine). My ListViewPreference is located in exactly the same folder as the SeelkBarPreference (which, as I said

问题 android.view.WindowInsets is added in API level 20. I import android.view.WindowInsets in my CustomLayout and override onApplyWindowInsets(WindowInsets insets) , but ClassNotFoundException occurs in some phones, whose api level are from 14 to 21. What is the reason? Occurred on: Rooted Nexus 5, Android 4.4.2 Stack trace: Fatal Exception: java.lang.NoClassDefFoundError: android/view/WindowInsets at java.lang.Class.getDeclaredMethods(Class.java) at java.lang.Class.getDeclaredMethods(Class.java

问题 i recently updated from GWT 2.0.4 to 2.1.0. Since then I cannot compile my GWT application anymore. When I click on the GWT compile button of the GWT eclipse plugin I get the following error: java.lang.NoClassDefFoundError: com/google/gwt/dev/Compiler Caused by: java.lang.ClassNotFoundException: com.google.gwt.dev.Compiler at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader

问题 This question already has answers here : java.rmi.ServerException: RemoteException occurred in server thread (ClassNotFoundException) (4 answers) Closed 2 years ago . I'm running the program here on 2 JVMs on diff physical machines. I get the error RemoteException java.rmi.UnmarshalException: error unmarshalling return; nested exception is: java.lang.ClassNotFoundException: CalculatorImpl_Stub (no security manager: RMI class loader disabled) I've even tried running it on the same machine

问题 I was trying to do some basic database operations. I'm using STS 3.2.0, Apache Tomcat 7. My dispatcher-servlet.xml includes: <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource"> <property name="driverClassName" value="com.mysql.jdbc.Driver" /> <property name="url" value="jdbc:mysql://localhost:3306/mydb" /> <property name="username" value="root" /> <property name="password" value="root" /> </bean> Apache Tomcat fails miserably with thousands of exceptions