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问题描述

• 概述

新拉取的项目，基于IDEA本地调试启动失败，控制台也没有跳转打印出日志，点击完RUN/DEBUG图标后，项目默认没有任何反映。

原因分析

• 环境配置

项目日志配置控制台打印，配置文件访问数据库等正常。

• 日志排查

只能考虑查找IDEA启动日志排查问题。

IDEA日志目录：

C:\Users\<你的用户名>\AppData\Local\JetBrains\Idea版本目录\log

找到idea.log文件找到最新报错信息：

2025-03-24 17:34:02,728 [2276935]   INFO - #c.i.c.i.CompilerUtil - 	COMPILATION FINISHED (BUILD PROCESS); Errors: 0; warnings: 2 took 23787 ms: 0 min 23sec
2025-03-24 17:34:02,801 [2277008]   INFO - #c.i.e.r.ExecutionUtil - Error running <a href="edit">ApplicationStarter</a>. Command line is too long.<br/>Shorten the command line via <a href="jar">JAR manifest</a> or via a <a href="classfile">classpath file</a> and rerun.
com.intellij.execution.process.ProcessNotCreatedException: Cannot run program "D:\Dev\Java\JDK\jdk1.8.0_30\bin\java.exe" (in directory "D:\Dev\Java\CharlesYan\IdeaProjects\xxxx\nbsp"): CreateProcess error=206, 文件名或扩展名太长。at com.intellij.execution.configurations.GeneralCommandLine.createProcess(GeneralCommandLine.java:384)at com.intellij.execution.target.local.LocalTargetEnvironment.createProcess(LocalTargetEnvironment.java:130)at com.intellij.execution.application.BaseJavaApplicationCommandLineState.startProcess(BaseJavaApplicationCommandLineState.java:77)at com.intellij.execution.application.ApplicationCommandLineState.startProcess(ApplicationCommandLineState.java:96)at com.intellij.execution.application.ApplicationCommandLineState.startProcess(ApplicationCommandLineState.java:29)at com.intellij.execution.configurations.CommandLineState.execute(CommandLineState.java:61)at com.intellij.spring.boot.run.SpringBootCommandLineState.execute(SpringBootCommandLineState.java:72)at com.intellij.execution.impl.DefaultJavaProgramRunner.executeJavaState(DefaultJavaProgramRunner.java:188)at com.intellij.execution.impl.DefaultJavaProgramRunner.lambda$doExecuteAsync$5(DefaultJavaProgramRunner.java:172)at com.intellij.execution.target.TargetEnvironmentAwareRunProfileState$1.run(TargetEnvironmentAwareRunProfileState.java:58)at com.intellij.openapi.progress.impl.CoreProgressManager.startTask(CoreProgressManager.java:491)at com.intellij.openapi.progress.impl.ProgressManagerImpl.startTask(ProgressManagerImpl.java:133)at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcessWithProgressAsynchronously$7(CoreProgressManager.java:542)at com.intellij.openapi.progress.impl.ProgressRunner.lambda$submit$4(ProgressRunner.java:249)at com.intellij.openapi.progress.ProgressManager.lambda$runProcess$0(ProgressManager.java:98)at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$1(CoreProgressManager.java:223)at com.intellij.platform.diagnostic.telemetry.helpers.TraceKt.use(trace.kt:45)at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:222)at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$executeProcessUnderProgress$14(CoreProgressManager.java:674)at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:749)at com.intellij.openapi.progress.impl.CoreProgressManager.computeUnderProgress(CoreProgressManager.java:705)at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:673)at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:79)at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:203)at com.intellij.openapi.progress.ProgressManager.runProcess(ProgressManager.java:98)at com.intellij.openapi.progress.impl.ProgressRunner.lambda$submit$5(ProgressRunner.java:249)at com.intellij.openapi.progress.impl.ProgressRunner$ProgressRunnable.run(ProgressRunner.java:502)at com.intellij.openapi.progress.impl.ProgressRunner.lambda$launchTask$18(ProgressRunner.java:467)at com.intellij.util.concurrency.ChildContext$runInChildContext$1.invoke(propagation.kt:101)at com.intellij.util.concurrency.ChildContext$runInChildContext$1.invoke(propagation.kt:101)at com.intellij.util.concurrency.ChildContext.runInChildContext(propagation.kt:107)at com.intellij.util.concurrency.ChildContext.runInChildContext(propagation.kt:101)at com.intellij.openapi.progress.impl.ProgressRunner.lambda$launchTask$19(ProgressRunner.java:463)at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:735)at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:732)at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1.run(Executors.java:732)at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: java.io.IOException: Cannot run program "D:\Dev\Java\JDK\jdk1.8.0_30\bin\java.exe" (in directory "D:\Dev\Java\CharlesYan\IdeaProjects\xxxx\nbsp"): CreateProcess error=206, 文件名或扩展名太长。at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1170)at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1089)at com.intellij.execution.configurations.GeneralCommandLine.createProcess(GeneralCommandLine.java:463)at com.intellij.execution.configurations.GeneralCommandLine.startProcess(GeneralCommandLine.java:469)at com.intellij.execution.configurations.GeneralCommandLine.createProcess(GeneralCommandLine.java:374)... 39 more
Caused by: java.io.IOException: CreateProcess error=206, 文件名或扩展名太长。at java.base/java.lang.ProcessImpl.create(Native Method)at java.base/java.lang.ProcessImpl.<init>(ProcessImpl.java:500)at java.base/java.lang.ProcessImpl.start(ProcessImpl.java:159)at java.base/java.lang.ProcessBuilder.start(ProcessBuilder.java:1126)... 43 more

这个错误是由于 Windows 系统对命令行长度有限制（默认 32767 个字符），当 IDEA 启动项目时生成的类路径（Classpath）过长导致的。

解决方案

方案一：使用类路径缩短方案（推荐）

在项目的 .idea/workspace.xml 中添加以下配置：

<component name="PropertiesComponent"><property name="dynamic.classpath" value="true" />
</component>

这会启用动态类路径加载，避免一次性传递所有依赖路径。

方案二：修改启动配置

1. 打开 Run/Debug Configurations

2. 找到你的启动配置

3. 在 VM options 中添加：

-Didea.classpath.use.jars=true

4. 在 Shorten command line 选项中选择：

JAR manifest（推荐）或 classpath file

• 具体如图

总结

Windows 的 CreateProcess API 对命令行长度有限制：

传统限制：8191 字符（cmd.exe）

系统限制：32767 字符（Win10 1607+）

当类路径包含大量依赖时（特别是Spring Boot项目），很容易超出限制。

最终，采用方案二解决。