Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  1. ,

    Thrown when an application is trying to use or access an object whose reference equals to null. You are probably trying to use a reference that points to no location in memory as though it were referencing an object.

Solutions on the web

via GitHub by wilkinsona
, 1 year ago
Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:1.4.1.BUILD-SNAPSHOT:build-info (generate build info) on project gh-6679: null
via Stack Overflow by Rémi
, 1 year ago
Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:1.4.1.RELEASE:repackage (default) on project stormpath-spring-boot-spring-security-tutorial: Execution default of goal org.springframework.boot:spring-boot-maven-plugin:1.4.1.RELEASE:repackage failed: Unable to find main class
via Stack Overflow by Taurus Dang
, 2 months ago
Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:2.0.0.BUILD-SNAPSHOT:run (default-cli) on project alarm-map: An exception occurred while running. null
via GitHub by Quazar1984
, 2 years ago
Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:1.3.1.RELEASE:run (default-cli) on project testbed: An exception occurred while running. null
via Stack Overflow by Sasuke Uchiha
, 1 year ago
Failed to execute goal org.springframework.boot:spring-boot-maven-plugin:1.4.2.RELEASE:run (default-cli) on project demo: An exception occurred while running. null
java.lang.NullPointerException: 	at java.util.Hashtable.put(Hashtable.java:459)	at org.springframework.boot.loader.tools.BuildPropertiesWriter.createBuildInfo(BuildPropertiesWriter.java:90)	at org.springframework.boot.loader.tools.BuildPropertiesWriter.writeBuildProperties(BuildPropertiesWriter.java:49)	at org.springframework.boot.maven.BuildInfoMojo.execute(BuildInfoMojo.java:66)	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)	at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)	at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)	at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)	at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)	at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)	at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)	at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)	at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)	at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)	at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)