我正在尝试将我的osgi (在Geronimo3.0.1上工作得很好)部署到ServiceMix上。包A导出com.mycompany.api包,B包导入它。但我得到了
java.lang.NoClassDefFoundError: Could not initialize class com.mycompany.api.Version
当我从包B中的getMajor类调用静态方法com.mycompany.api.Version ()时,就会发生这种情况。来自api包的其他类可以正常工作,甚至可以使用其他静态方法/字段。Version.java:
public class Version {
We have developed mobile application by using phonegap. We are connecting to the backend by using Google Cloud endpoints. We have written our api's at server side
using java(Google App engine) to get the data. Every thing was working fine but suddenly i got the following exception:
代码段:
我希望有一些JUnit测试(用GWT创建)来联系servlet (内部有GAE调用)。当我运行测试时,我得到了以下堆栈跟踪:
java.lang.NullPointerException
at com.google.appengine.api.NamespaceManager.get(NamespaceManager.java:101)
at com.google.appengine.api.memcache.BaseMemcacheServiceImpl.getEffectiveNamespace(BaseMemcacheServiceImpl.java:65)
at
我启动hbase.some区域文件是损坏的块
此错误为:
HTTP错误500
访问/master.jsp时出现问题。原因:
Trying to contact region server null for region , row '', but failed after 10 attempts.
异常: java.io.IOException: HRegionInfo在根目录中为null或为空,row=keyvalues={.META,,1/info:,1/info:serverstartcode/1354594525394/Put/vlen=8} /135459452539
我是IntelliJ的新手,我创建了一个新的空项目(Google),并将字节码级别更改为7,但我在部署中遇到了这个错误:
java.lang.IllegalArgumentException: Class file is Java 8 but max supported is Java 7: org/eclipse/jetty/apache/jsp/JettyJasperInitializer$1.class in C:\Recursos\appengine-java-sdk-1.9.48\jetty93\jetty-distribution\lib\apache-jsp\org.eclips
在将war部署到Jetty 8.1+ (Servlet3.0)时,我得到以下堆栈跟踪:
org.jboss.resteasy.plugins.servlet.ResteasyServletInitializer.onStartup(ResteasyServletInitializer.java:55) at org.eclipse.jetty.plus.annotation.ContainerInitializer.callStartup(ContainerInitializer.java:106) at org.eclipse.jetty.annotations.ServletContai
我在坚持上课的时候遇到了问题.
Hibernate抛出此异常:
Root cause:
java.lang.NullPointerException: null entities are not supported by org.hibernate.event.def.EventCache
at org.hibernate.event.def.EventCache.containsKey(EventCache.java:80)
at org.hibernate.event.def.DefaultMergeEventListener.mergeTransientEntity(DefaultMe
每次命中URL时,它都会抛出低于空指针的异常。我使用的是Jetty版本jetty-distribution-9.4.18.v20190429
java.lang.NullPointerException
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1602)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:540)
at or
我在使用Spring,运行本地jetty,并且由于某种原因我得到了一个空HttpServletRequest,这至少可以说是奇怪的。
下面是完整的堆栈跟踪:
java.lang.IllegalArgumentException: HttpServletRequest must not be null
at org.springframework.util.Assert.notNull(Assert.java:115)
at org.springframework.http.server.ServletServerHttpRequest.<init>(ServletS
每个朋友:当我看到这个关于码头的例外时,我很困惑。
Exception in thread "Scanner-1" java.lang.NullPointerException
at org.eclipse.jetty.util.Scanner.scanFile(Scanner.java:576)
at org.eclipse.jetty.util.Scanner.scanFiles(Scanner.java:438)
at org.eclipse.jetty.util.Scanner.scan(Scanner.java:397)
at org.eclipse.jetty.ut
我有一个Eclipse应用程序,在执行时会出现以下错误- java.lang.NoClassDefFoundError: org/eclipse/core/resources/ResourcesPlugin
at org.eclipse.emf.ecore.plugin.EcorePlugin.getWorkspaceRoot(EcorePlugin.java:1149)
at org.eclipse.emf.ecore.resource.impl.PlatformResourceURIHandlerImpl.getWorkspaceRoot(PlatformResource
我正在将springboot应用程序更新到1.5.9,并且在嵌入jetty服务器时遇到以下运行时(空指针)异常:
Caused by: java.lang.NullPointerException
at org.springframework.web.filter.GenericFilterBean.init(GenericFilterBean.java:207) ~[spring-web-4.3.13.RELEASE.jar:4.3.13.RELEASE]
at org.eclipse.jetty.servlet.FilterHolder.initialize(FilterH
我试图通过Intellij将一个基本上为空的项目部署到GAE。我已经创建了一个新项目,在appengine-web.xml中设置了我的项目ID,并保留了其他所有内容。使用完整的日志,我得到以下错误。
java.lang.IllegalArgumentException: Class file is Java 8 but max supported is Java 7: org/eclipse/jetty/apache/jsp/JettyJasperInitializer$1.class in C:\Users\Tony\.m2\repository\com\google\appengine\a