apache/flink · error · RuntimeException

Failed to get user jar file from blob

Error message

Failed to get user jar file from blob

What it means

Error "Failed to get user jar file from blob" thrown in apache/flink.

Source

Thrown at flink-clients/src/main/java/org/apache/flink/client/deployment/application/PackagedProgramApplicationEntry.java:97

        this.applicationId = applicationId;
        this.applicationName = applicationName;
        this.jobCountLimit = jobCountLimit;
        this.streamingJobCountLimit = streamingJobCountLimit;
        this.handleFatalError = handleFatalError;
        this.submitFailedJobOnApplicationError = submitFailedJobOnApplicationError;
        this.shutDownOnFinish = shutDownOnFinish;
    }

    @Override
    public AbstractApplication getApplication(
            PermanentBlobService blobService,
            Collection<JobInfo> recoveredJobInfos,
            Collection<JobInfo> recoveredTerminalJobInfos) {
        File jarFile;
        try {
            jarFile = blobService.getFile(applicationId, userJarInfo.getJarBlobKey());
        } catch (Exception e) {
            throw new RuntimeException("Failed to get user jar file from blob", e);
        }

        if (!jarFile.exists()) {
            throw new RuntimeException(String.format("Jar file %s does not exist", jarFile));
        }

        PackagedProgram program;
        try {
            program =
                    PackagedProgram.newBuilder()
                            .setJarFile(jarFile)
                            .setEntryPointClassName(entryClass)
                            .setConfiguration(configuration)
                            .setUserClassPaths(getClasspaths())
                            .setArguments(programArgs)
                            .build();
        } catch (Exception e) {
            throw new RuntimeException(

View on GitHub (pinned to 2f3c205e92)

Solutions

1. Address the cause reported by the error message: Failed to get user jar file from blob
2. Verify the inputs, configuration values, and classpath/dependency setup related to this operation, then retry.

Example fix

Correct the condition described ("Failed to get user jar file from blob") and rerun the job or command.

When it happens

Trigger: Triggered at runtime when the operation fails because: Failed to get user jar file from blob.

Common situations: Commonly caused by misconfiguration, missing dependencies or files, unsupported types or operations, or invalid user input leading to: Failed to get user jar file from blob.

AI-assisted analysis of apache/flink@2f3c205e92 (2026-08-14). Data as JSON: /api/errors/34c1735a67395352. Report an issue: GitHub.