Why am I getting \'CreateProcess error=206, The filename or extension is too long\' when running my main method?

Error Encountered: CreateProcess Error Code 206 when Executing Main Method

During the execution of your main() method, you encountered the following error:

CreateProcess error=206, The filename or extension is too long

This error indicates that the specified file path exceeds the maximum length allowed by the system.

Solution

Addressing this error requires a multi-faceted approach, as there is no definitive solution that applies to all scenarios:

• Reducing Classpath: Analyze your classpath and eliminate any unnecessary entries.
• Using Directories: Replace JAR files with actual directories to alleviate the length issue.
• Packing JAR Files: Create a single packed JAR containing all necessary dependencies and reference them via the manifest file.
• Custom Class Loader: Implement a custom class loader that reads the classpath from a separate configuration file.
• Applying Patches: Explore and apply relevant patches provided in the Eclipse bug report document.
• Using External Wrappers: Consider using a build tool like ANT as a wrapper for your main() method execution.

Update for Post-July 2014

For projects with custom build files, a more effective solution emerged:

• External File Utilization: Add useexternalfile="yes" to the Javadoc task in your build file. This option explicitly addresses the file length limitations.

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