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使用Java 1.8将gwt 2.7升级到2.8时出错

[英]Error in Upgrading gwt 2.7 to 2.8 with java 1.8

 原文  2017-01-26 06:58:58  7   1    java/ gwt/ gwt-material-design

问题描述

Currently project specification :- 当前项目规范：- 

**

GWT version- 2.7
    Java - 1.8
    Eclipse - Luna
    GWT material- 2.0 rc3
    Tomcat version - Apache Tomcat/7.0.42
    Couchdb- 1.6.1
    neo4j- 2.3.2

** **

REQUIREMENT:- 需求：-

We want to upgrade GWT from 2.7 to 2.8 according to our requirement to use GWT material 2.0 rc3 version. 我们希望根据使用GWT材料2.0 rc3版本的要求将GWT从2.7升级到2.8。

Now,The problem is for hosting the project on tomcat we have to put the jar files in project WEBINF lib folder. 现在，问题是要在tomcat上托管项目，我们必须将jar文件放在项目WEBINF lib文件夹中。 Our project works fine till we don't add any jar in lib except the servlet.jar as soon we add the jars in the lib folder and compile the project and run it following error comes. 我们的项目运行良好，直到我们除了在servlet.jar中没有在lib中添加任何jar之外，我们才将这些jar添加到lib文件夹中并编译该项目并在出现错误后运行它。

ERROR:- 错误：- 

The code server is ready at http://127.0.0.1:9876/
Code server started in 2.803 s ms
2017-01-26 11:57:47.630:INFO:oejs.Server:main: jetty-9.2.z-SNAPSHOT
2017-01-26 11:57:53.544:WARN:oejuc.AbstractLifeCycle:main: FAILED c.g.g.d.s.j.WebAppContextWithReload@632a82{/,file:/E:/ServerWorkSpace/enggheads/war/,STARTING}{E:\ServerWorkSpace\enggheads\war}: java.util.ServiceConfigurationError: org.apache.juli.logging.Log: Provider org.eclipse.jetty.apache.jsp.JuliLog not a subtype
java.util.ServiceConfigurationError: org.apache.juli.logging.Log: Provider org.eclipse.jetty.apache.jsp.JuliLog not a subtype
    at java.util.ServiceLoader.fail(Unknown Source)
    at java.util.ServiceLoader.access$300(Unknown Source)
    at java.util.ServiceLoader$LazyIterator.nextService(Unknown Source)
    at java.util.ServiceLoader$LazyIterator.next(Unknown Source)
    at java.util.ServiceLoader$1.next(Unknown Source)
    at org.apache.juli.logging.LogFactory.<init>(LogFactory.java:78)
    at org.apache.juli.logging.LogFactory.<clinit>(LogFactory.java:66)
    at org.apache.jasper.servlet.JspServlet.<init>(JspServlet.java:69)
    at org.eclipse.jetty.jsp.JettyJspServlet.<init>(JettyJspServlet.java:39)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    at java.lang.reflect.Constructor.newInstance(Unknown Source)
    at java.lang.Class.newInstance(Unknown Source)
    at org.eclipse.jetty.server.handler.ContextHandler$Context.createInstance(ContextHandler.java:2372)
    at org.eclipse.jetty.servlet.ServletContextHandler$Context.createServlet(ServletContextHandler.java:1166)
    at org.eclipse.jetty.servlet.ServletHolder.newInstance(ServletHolder.java:1207)
    at org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:588)
    at org.eclipse.jetty.servlet.ServletHolder.initialize(ServletHolder.java:396)
    at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:871)
    at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:298)
    at org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1349)
    at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1342)
    at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:741)
    at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:505)
    at com.google.gwt.dev.shell.jetty.JettyLauncher$WebAppContextWithReload.doStart(JettyLauncher.java:550)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114)
    at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61)
    at org.eclipse.jetty.server.handler.RequestLogHandler.doStart(RequestLogHandler.java:140)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132)
    at org.eclipse.jetty.server.Server.start(Server.java:387)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114)
    at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61)
    at org.eclipse.jetty.server.Server.doStart(Server.java:354)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
    at com.google.gwt.dev.shell.jetty.JettyLauncher.start(JettyLauncher.java:759)
    at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:634)
    at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:923)
    at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:706)
    at com.google.gwt.dev.DevMode.main(DevMode.java:430)
2017-01-26 11:57:53.544:WARN:oejuc.AbstractLifeCycle:main: FAILED org.eclipse.jetty.server.handler.RequestLogHandler@4cb6a9: java.util.ServiceConfigurationError: org.apache.juli.logging.Log: Provider org.eclipse.jetty.apache.jsp.JuliLog not a subtype
java.util.ServiceConfigurationError: org.apache.juli.logging.Log: Provider org.eclipse.jetty.apache.jsp.JuliLog not a subtype
    at java.util.ServiceLoader.fail(Unknown Source)
    at java.util.ServiceLoader.access$300(Unknown Source)
    at java.util.ServiceLoader$LazyIterator.nextService(Unknown Source)
    at java.util.ServiceLoader$LazyIterator.next(Unknown Source)
    at java.util.ServiceLoader$1.next(Unknown Source)
    at org.apache.juli.logging.LogFactory.<init>(LogFactory.java:78)
    at org.apache.juli.logging.LogFactory.<clinit>(LogFactory.java:66)
    at org.apache.jasper.servlet.JspServlet.<init>(JspServlet.java:69)
    at org.eclipse.jetty.jsp.JettyJspServlet.<init>(JettyJspServlet.java:39)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    at java.lang.reflect.Constructor.newInstance(Unknown Source)
    at java.lang.Class.newInstance(Unknown Source)
    at org.eclipse.jetty.server.handler.ContextHandler$Context.createInstance(ContextHandler.java:2372)
    at org.eclipse.jetty.servlet.ServletContextHandler$Context.createServlet(ServletContextHandler.java:1166)
    at org.eclipse.jetty.servlet.ServletHolder.newInstance(ServletHolder.java:1207)
    at org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:588)
    at org.eclipse.jetty.servlet.ServletHolder.initialize(ServletHolder.java:396)
    at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:871)
    at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:298)
    at org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1349)
    at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1342)
    at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:741)
    at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:505)
    at com.google.gwt.dev.shell.jetty.JettyLauncher$WebAppContextWithReload.doStart(JettyLauncher.java:550)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114)
    at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61)
    at org.eclipse.jetty.server.handler.RequestLogHandler.doStart(RequestLogHandler.java:140)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132)
    at org.eclipse.jetty.server.Server.start(Server.java:387)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114)
    at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61)
    at org.eclipse.jetty.server.Server.doStart(Server.java:354)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
    at com.google.gwt.dev.shell.jetty.JettyLauncher.start(JettyLauncher.java:759)
    at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:634)
    at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:923)
    at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:706)
    at com.google.gwt.dev.DevMode.main(DevMode.java:430)
2017-01-26 11:57:53.544:INFO:oejs.ServerConnector:main: Started ServerConnector@1adf81d{HTTP/1.1}{127.0.0.1:8888}
2017-01-26 11:57:53.544:WARN:oejuc.AbstractLifeCycle:main: FAILED org.eclipse.jetty.server.Server@18a53a2: java.util.ServiceConfigurationError: org.apache.juli.logging.Log: Provider org.eclipse.jetty.apache.jsp.JuliLog not a subtype
java.util.ServiceConfigurationError: org.apache.juli.logging.Log: Provider org.eclipse.jetty.apache.jsp.JuliLog not a subtype
    at java.util.ServiceLoader.fail(Unknown Source)
    at java.util.ServiceLoader.access$300(Unknown Source)
    at java.util.ServiceLoader$LazyIterator.nextService(Unknown Source)
    at java.util.ServiceLoader$LazyIterator.next(Unknown Source)
    at java.util.ServiceLoader$1.next(Unknown Source)
    at org.apache.juli.logging.LogFactory.<init>(LogFactory.java:78)
    at org.apache.juli.logging.LogFactory.<clinit>(LogFactory.java:66)
    at org.apache.jasper.servlet.JspServlet.<init>(JspServlet.java:69)
    at org.eclipse.jetty.jsp.JettyJspServlet.<init>(JettyJspServlet.java:39)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    at java.lang.reflect.Constructor.newInstance(Unknown Source)
    at java.lang.Class.newInstance(Unknown Source)
    at org.eclipse.jetty.server.handler.ContextHandler$Context.createInstance(ContextHandler.java:2372)
    at org.eclipse.jetty.servlet.ServletContextHandler$Context.createServlet(ServletContextHandler.java:1166)
    at org.eclipse.jetty.servlet.ServletHolder.newInstance(ServletHolder.java:1207)
    at org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:588)
    at org.eclipse.jetty.servlet.ServletHolder.initialize(ServletHolder.java:396)
    at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:871)
    at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:298)
    at org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1349)
    at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1342)
    at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:741)
    at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:505)
    at com.google.gwt.dev.shell.jetty.JettyLauncher$WebAppContextWithReload.doStart(JettyLauncher.java:550)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114)
    at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61)
    at org.eclipse.jetty.server.handler.RequestLogHandler.doStart(RequestLogHandler.java:140)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132)
    at org.eclipse.jetty.server.Server.start(Server.java:387)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114)
    at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61)
    at org.eclipse.jetty.server.Server.doStart(Server.java:354)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
    at com.google.gwt.dev.shell.jetty.JettyLauncher.start(JettyLauncher.java:759)
    at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:634)
    at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:923)
    at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:706)
    at com.google.gwt.dev.DevMode.main(DevMode.java:430)
Exception in thread "main" java.util.ServiceConfigurationError: org.apache.juli.logging.Log: Provider org.eclipse.jetty.apache.jsp.JuliLog not a subtype
    at java.util.ServiceLoader.fail(Unknown Source)
    at java.util.ServiceLoader.access$300(Unknown Source)
    at java.util.ServiceLoader$LazyIterator.nextService(Unknown Source)
    at java.util.ServiceLoader$LazyIterator.next(Unknown Source)
    at java.util.ServiceLoader$1.next(Unknown Source)
    at org.apache.juli.logging.LogFactory.<init>(LogFactory.java:78)
    at org.apache.juli.logging.LogFactory.<clinit>(LogFactory.java:66)
    at org.apache.jasper.servlet.JspServlet.<init>(JspServlet.java:69)
    at org.eclipse.jetty.jsp.JettyJspServlet.<init>(JettyJspServlet.java:39)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    at java.lang.reflect.Constructor.newInstance(Unknown Source)
    at java.lang.Class.newInstance(Unknown Source)
    at org.eclipse.jetty.server.handler.ContextHandler$Context.createInstance(ContextHandler.java:2372)
    at org.eclipse.jetty.servlet.ServletContextHandler$Context.createServlet(ServletContextHandler.java:1166)
    at org.eclipse.jetty.servlet.ServletHolder.newInstance(ServletHolder.java:1207)
    at org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:588)
    at org.eclipse.jetty.servlet.ServletHolder.initialize(ServletHolder.java:396)
    at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:871)
    at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:298)
    at org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1349)
    at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1342)
    at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:741)
    at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:505)
    at com.google.gwt.dev.shell.jetty.JettyLauncher$WebAppContextWithReload.doStart(JettyLauncher.java:550)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114)
    at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61)
    at org.eclipse.jetty.server.handler.RequestLogHandler.doStart(RequestLogHandler.java:140)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132)
    at org.eclipse.jetty.server.Server.start(Server.java:387)
    at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114)
    at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61)
    at org.eclipse.jetty.server.Server.doStart(Server.java:354)
    at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
    at com.google.gwt.dev.shell.jetty.JettyLauncher.start(JettyLauncher.java:759)
    at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:634)
    at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:923)
    at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:706)
    at com.google.gwt.dev.DevMode.main(DevMode.java:430)

I tried to study about it , in some places it asked to delete the cache files from the project I did the same. 我试图研究它，在某些地方它要求从我做的项目中删除缓存文件。 Deleted the cache files except no-cache. 删除除无缓存外的缓存文件。 deleted the classes created in project on complie. 在complie上删除了在project中创建的类。

On Compiling the project its taking only 1 permutation. 在编译项目时，仅采用1个排列。

Totally, unaware of the problem that whats the problem in adding the jar files in lib folder. 完全没有意识到在lib文件夹中添加jar文件会带来什么问题。 As, its clear we cant host the project without adding the jars in lib. 显然，我们不能在没有添加lib的jar的情况下托管项目。 So what is the solution. 那么解决方案是什么。

1 个解决方案

解决方案1
 1 已采纳  2017-01-26 07:53:01

REMOVED THE gwt-dev.jar from the lib and it worked totally fine. 从库中删除了gwt-dev.jar，它运行良好。 Something i was totally unaware of it could also create problem. 我完全不知道的东西也会造成问题。

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