currentProcess.waitFor();
            it.join(5000);

            final int exitValue = currentProcess.exitValue();

            if (logger.isInfoEnabled()) {
                logger.info("Python: Exit Code={} - Process Output:\n{}", exitValue, it.getOutput());
            }
            if (exitValue != 0) {
                final StringBuilder out = new StringBuilder();
                if (processTimeout) {

            currentProcess.waitFor();
            it.join(5000);

            final int exitValue = currentProcess.exitValue();

            if (logger.isInfoEnabled()) {
                logger.info("Crawler: Exit Code={} - Process Output:\n{}", exitValue, it.getOutput());
            }
            if (exitValue != 0) {
                final StringBuilder out = new StringBuilder();
                if (processTimeout) {

            currentProcess.waitFor();
            it.join(5000);

            final int exitValue = currentProcess.exitValue();

            if (logger.isInfoEnabled()) {
                logger.info("ThumbnailGenerator: Exit Code={} - Process Output:\n{}", exitValue, it.getOutput());
            }
            if (exitValue != 0) {
                final StringBuilder out = new StringBuilder();
                if (processTimeout) {

            }

            final int exitValue = currentProcess.exitValue();

            if (logger.isInfoEnabled()) {
                logger.info("Exit Code: {} - Process Output:\n{}", exitValue, it.getOutput());
            }
            if (exitValue == 143 && mt.isTeminated()) {

            }

            final int exitValue = p.exitValue();
            if (exitValue != 0) {
                logger.warn("{} is failed (exit code:{}, timeout:{}): {}", getName(), exitValue, task.isExecuted(), commandList);
            }

            if (logger.isDebugEnabled()) {
                logger.debug("{} is finished with exit code {}.", getName(), exitValue);
            }
        } catch (final Exception e) {

            currentProcess.waitFor();
            it.join(5000);

            final int exitValue = currentProcess.exitValue();

            if (logger.isInfoEnabled()) {
                logger.info("SuggestCreator: Exit Code={} - Process Output:\n{}", exitValue, it.getOutput());
            }
            if (exitValue != 0) {
                final StringBuilder out = new StringBuilder();
                if (processTimeout) {

            commandLine = listOf("cmd", "/c") + commandLine
        }
    }
    return execOutput.result.zip(execOutput.standardOutput.asText) { result, outputText ->
        if (result.exitValue == 0) outputText.trim()
        else "<unknown>" // It's a source distribution, we don't know.
    }
}


// pre-test/master/queue/alice/feature -> master
// pre-test/release/current/bob/bugfix -> release

                logger.warn("Interrupted to wait a process.", e);
            }
            try {
                process.destroyForcibly().waitFor(processDestroyTimeout, TimeUnit.SECONDS);
                return process.exitValue();
            } catch (final Exception e) {
                logger.error("Could not destroy a process correctly.", e);
            }
        }
        return -1;
    }

            process.waitFor(1, TimeUnit.MINUTES);
            latch.await(1, TimeUnit.MINUTES);
            return new ExecResult(args, process.exitValue(), stdout.toString(), stderr.toString());
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }