apache/seatunnel · error · TaskExecuteException

Execute Flink job error

Error message

Execute Flink job error

What it means

FlinkExecution.execute runs the whole plugin execution pipeline (source/transform/sink processors and env.execute) inside one try block; any exception thrown during Flink job execution is wrapped in a TaskExecuteException with the generic message 'Execute Flink job error' while preserving the cause.

Solutions

1. Read the wrapped 'Caused by' exception for the real root cause
2. Validate the job config against the connector documentation before submitting
3. Confirm the Flink cluster is reachable and has sufficient slots/resources
4. Run the job locally (-e local) to isolate cluster vs config problems

try {
    flinkExecution.execute();
} catch (TaskExecuteException e) {
    Throwable root = e;
    while (root.getCause() != null) root = root.getCause();
    log.error("Flink job failed, root cause: ", root);
}

When it happens

Trigger: Any failure during Flink job submission/execution: invalid job config, connector init failure, Flink cluster rejection, task runtime exceptions, or missing Flink dependencies.

Common situations: Flink cluster unavailable or rejecting submission; connector configuration errors surfacing at runtime; serialization issues in user transforms; checkpoint failures.

Related errors

• Flink job executed failed
• All candidate sink tables were skipped in Flink starter.
• All candidate sink tables were skipped in Flink starter.
• checkpoint.interval is set to
• Error scanning data from region.

AI-assisted analysis of apache/seatunnel@cf67b549a7 (2026-09-10). Data as JSON: /api/errors/49b1f6ecbd8b8e30. Report an issue: GitHub.

Appendix: source

Thrown at seatunnel-core/seatunnel-flink-starter/seatunnel-flink-starter-common/src/main/java/org/apache/seatunnel/core/starter/flink/execution/FlinkExecution.java:168

        }
        try {
            final long jobStartTime = System.currentTimeMillis();
            JobExecutionResult jobResult =
                    flinkRuntimeEnvironment
                            .getStreamExecutionEnvironment()
                            .execute(flinkRuntimeEnvironment.getJobName());
            final long jobEndTime = System.currentTimeMillis();

            final FlinkJobMetricsSummary jobMetricsSummary =
                    FlinkJobMetricsSummary.builder()
                            .jobExecutionResult(jobResult)
                            .jobStartTime(jobStartTime)
                            .jobEndTime(jobEndTime)
                            .build();

            LOGGER.info("Job finished, execution result: \n{}", jobMetricsSummary);
        } catch (Exception e) {
            throw new TaskExecuteException("Execute Flink job error", e);
        }
    }

    private void registerPlugin(Config envConfig) {
        List<Path> thirdPartyJars = new ArrayList<>();
        if (envConfig.hasPath(EnvCommonOptions.JARS.key())) {
            thirdPartyJars =
                    new ArrayList<>(
                            Common.getThirdPartyJars(
                                    envConfig.getString(EnvCommonOptions.JARS.key())));
        }
        thirdPartyJars.addAll(Common.getPluginsJarDependenciesWithoutConnectorDependency());
        List<URL> jarDependencies =
                Stream.concat(thirdPartyJars.stream(), Common.getLibJars().stream())
                        .map(Path::toUri)
                        .map(
                                uri -> {
                                    try {

View on GitHub (pinned to cf67b549a7)