return jvmOptions(buf.toString());
    }

    /**
     * Adds JVM options for this job execution.
     *
     * @param options the JVM options to add
     * @return this ExecJob instance for method chaining
     */
    public ExecJob jvmOptions(final String... options) {
        Collections.addAll(jvmOptions, options);
        return this;
    }

    /**

    }

    // Test jvmOptions method
    @Test
    public void test_jvmOptions() {
        ExecJob result = execJob.jvmOptions("-Xmx1024m", "-Xms512m");
        assertSame(execJob, result);
        assertEquals(2, execJob.jvmOptions.size());
        assertEquals("-Xmx1024m", execJob.jvmOptions.get(0));
        assertEquals("-Xms512m", execJob.jvmOptions.get(1));

--StopTimeout %FESS_STOP_TIMEOUT% --StartClass org.codelibs.fess.FessBoot --StopClass org.codelibs.fess.FessBoot --StartMethod main --StopMethod shutdown --Classpath "%FESS_CLASSPATH%" --JvmSs %JVM_SS% --JvmMs %JVM_XMS% --JvmMx %JVM_XMX% --JvmOptions %JVM_OPTS% ++JvmOptions %FESS_PARAMS% %LOG_OPTS% --PidFile "%SERVICE_ID%.pid" --DisplayName "%SERVICE_DISPLAY_NAME%" --Description "%SERVICE_DESCRIPTION%" --Jvm "%%JAVA_HOME%%%JVM_DLL%" --StartMode jvm --StopMode jvm --StartPath "%FESS_HOME%" %SERVICE_PARAMS%...

                cmdList.add("-Djava.io.tmpdir=" + ownTmpDir.getAbsolutePath());
            } else {
                ownTmpDir = null;
            }
        }

        if (!jvmOptions.isEmpty()) {
            jvmOptions.stream().filter(StringUtil::isNotBlank).forEach(cmdList::add);
        }

        cmdList.add(SuggestCreator.class.getCanonicalName());

        cmdList.add("--sessionId");

                cmdList.add("-Djava.io.tmpdir=" + ownTmpDir.getAbsolutePath());
            } else {
                ownTmpDir = null;
            }
        }

        if (!jvmOptions.isEmpty()) {
            jvmOptions.stream().filter(StringUtil::isNotBlank).forEach(cmdList::add);
        }

        cmdList.add(ThumbnailGenerator.class.getCanonicalName());

        cmdList.add("--sessionId");

            } else {
                ownTmpDir = null;
            }
        }

        cmdList.add(ComponentUtil.getThumbnailManager().getThumbnailPathOption());

        if (!jvmOptions.isEmpty()) {
            jvmOptions.stream().filter(StringUtil::isNotBlank).forEach(cmdList::add);
        }

        cmdList.add(Crawler.class.getCanonicalName());

        cmdList.add("--sessionId");