Spring Boot
プロジェクトでGWT Maps API V3
を使用しようとしています。 ノー問題にgradle
にこれを追加しましたし、私のコードを書きましたが、実行しているとき、それは以下を示すクラッシュ:GWT Maps API V3コアAPI
java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].StandardContext[]]
at java.util.concurrent.FutureTask.report(FutureTask.java:122) [na:1.8.0_102]
at java.util.concurrent.FutureTask.get(FutureTask.java:192) [na:1.8.0_102]
at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:911) ~[tomcat-embed-core-8.5.5.jar:8.5.5]
at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:890) [tomcat-embed-core-8.5.5.jar:8.5.5]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) [tomcat-embed-core-8.5.5.jar:8.5.5]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1403) [tomcat-embed-core-8.5.5.jar:8.5.5]
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1393) [tomcat-embed-core-8.5.5.jar:8.5.5]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [na:1.8.0_102]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [na:1.8.0_102]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [na:1.8.0_102]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_102]
Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].StandardContext[]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:167) [tomcat-embed-core-8.5.5.jar:8.5.5]
... 6 common frames omitted
Caused by: java.lang.IllegalStateException: java.lang.NullPointerException
at org.springframework.boot.context.embedded.tomcat.TomcatResources$Tomcat7Resources.addJar(TomcatResources.java:125) ~[spring-boot-1.4.1.RELEASE.jar:1.4.1.RELEASE]
at org.springframework.boot.context.embedded.tomcat.TomcatResources.addClasspathResources(TomcatResources.java:63) ~[spring-boot-1.4.1.RELEASE.jar:1.4.1.RELEASE]
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory$StoreMergedWebXmlListener.onStart(TomcatEmbeddedServletContainerFactory.java:805) ~[spring-boot-1.4.1.RELEASE.jar:1.4.1.RELEASE]
at org.springframework.boot.context.embedded.tomcat.TomcatEmbeddedServletContainerFactory$StoreMergedWebXmlListener.lifecycleEvent(TomcatEmbeddedServletContainerFactory.java:796) ~[spring-boot-1.4.1.RELEASE.jar:1.4.1.RELEASE]
at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:94) [tomcat-embed-core-8.5.5.jar:8.5.5]
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5087) ~[tomcat-embed-core-8.5.5.jar:8.5.5]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) [tomcat-embed-core-8.5.5.jar:8.5.5]
... 6 common frames omitted
Caused by: java.lang.NullPointerException: null
at org.springframework.boot.context.embedded.tomcat.TomcatResources$Tomcat7Resources.addJar(TomcatResources.java:122) ~[spring-boot-1.4.1.RELEASE.jar:1.4.1.RELEASE]
... 12 common frames omitted
春とそれを使用する方法任意のアイデア?