GWT编译错误，eclipse霓虹灯弹出一个弹出窗口

Question

异常堆栈跟踪

来自com.google.gwt.eclipse.core.launch.GWTLaunchConfiguration.computeDynamicVMArgs（GWTLaunchConfiguration。）的com.google.gwt.eclipse.core.launch.GWTLaunchConfiguration.maybeGetDevJarPath(GWTLaunchConfiguration.java:170）中的java.lang.NullPointerException。 java：114）com.google.gwt.eclipse.core.launch.GWTLaunchConfiguration.computeCompileDynamicVMArgsAsList（GWTLaunchConfiguration.java:41）at com.google.gwt.eclipse.core.compile.GWTCompileRunner.computeCompilerCommandLine（GWTCompileRunner.java:223） com.google.gwt.eclipse.core.compile.GWTCompileRunner.compile（GWTCompileRunner.java:81）com.google.gwt.eclipse.core.compile.GWTCompileRunner.compileWithCancellationSupport（GWTCompileRunner.java:126）com.google .gwt.eclipse.core.actions.GWTCompileToolbarHandler $ 1.runInWorkspace（GWTCompileToolbarHandler.java:136）org.eclipse.core.internal.resources.InternalWorkspaceJob.run（InternalWorkspaceJob.java:39）org.eclipse.core.internal。 jobs.Worker.run（Worker.java:55）

会话数据

eclipse.buildId = 4.6.2.M20161124-1400 java.version = 1.8.0_121 java.vendor = Oracle Corporation BootLoader常量：OS = win32，ARCH = x86_64，WS = win32，NL = en_US框架参数：-product org.eclipse.epp.package.jee.product命令行参数：-data file：/ C：/WorkSpace_4.2.200/ -os win32 -ws win32 -arch x86_64 -product org.eclipse.epp.package.jee.product

Answer 1

这是Eclipse插件的一个错误。我想解决这个问题，在首选项中设置一个GWT sdk，它应该修复它。

https://github.com/gwt-plugins/gwt-eclipse-plugin/blob/46be0237fd1255cc76056889a64d4c9f04910b1f/plugins/com.gwtplugins.gwt.eclipse.core/src/com/google/gwt/eclipse/core/launch/GWTLaunchConfiguration.java