hi , Fess service crawlJob

hi
when use fess service crawlJob

2020-11-13 03:08:25,892 [job_EFPAuXUBdtqa7u1OSIQG] WARN  Failed to execute EFPAuXUBdtqa7u1OSIQG: return container.getComponent("crawlJob").logLevel("info").sessionId("SqsneWcBjpCQAJMPTYXs").webConfigIds(["SqsneWcBjpCQAJMPTYXs"] as String[]).fileConfigIds([] as String[]).dataConfigIds([] as String[]).jobExecutor(executor).execute();
org.codelibs.fess.exception.JobProcessingException: Exit Code: 1
Output:
Error: A JNI error has occurred, please check your installation and try again
Exception in thread "main" java.lang.UnsupportedClassVersionError: org/codelibs/fess/exec/Crawler has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(Unknown Source)
	at java.security.SecureClassLoader.defineClass(Unknown Source)
	at java.net.URLClassLoader.defineClass(Unknown Source)
	at java.net.URLClassLoader.access$100(Unknown Source)
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.net.URLClassLoader$1.run(Unknown Source)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
	at java.lang.ClassLoader.loadClass(Unknown Source)
	at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)

	at org.codelibs.fess.job.CrawlJob.executeCrawler(CrawlJob.java:357) ~[classes/:?]
	at org.codelibs.fess.job.CrawlJob.execute(CrawlJob.java:152) ~[classes/:?]
	at org.codelibs.fess.job.CrawlJob$execute.call(Unknown Source) ~[?:?]
	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47) ~[groovy-3.0.5.jar:3.0.5]
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125) ~[groovy-3.0.5.jar:3.0.5]
	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:130) ~[groovy-3.0.5.jar:3.0.5]
	at Script1.run(Script1.groovy:1) ~[?:?]
	at groovy.lang.GroovyShell.evaluate(GroovyShell.java:427) ~[groovy-3.0.5.jar:3.0.5]
	at groovy.lang.GroovyShell.evaluate(GroovyShell.java:461) ~[groovy-3.0.5.jar:3.0.5]
	at groovy.lang.GroovyShell.evaluate(GroovyShell.java:436) ~[groovy-3.0.5.jar:3.0.5]
	at org.codelibs.fess.util.GroovyUtil.evaluate(GroovyUtil.java:42) ~[classes/:?]
	at org.codelibs.fess.job.impl.GroovyExecutor.execute(GroovyExecutor.java:31) ~[classes/:?]
	at org.codelibs.fess.app.job.ScriptExecutorJob.process(ScriptExecutorJob.java:101) ~[classes/:?]
	at org.codelibs.fess.app.job.ScriptExecutorJob.run(ScriptExecutorJob.java:42) ~[classes/:?]
	at org.lastaflute.job.LaJobRunner.actuallyRun(LaJobRunner.java:265) ~[lasta-job-0.5.4.jar:?]
	at org.lastaflute.job.LaJobRunner.doRun(LaJobRunner.java:232) ~[lasta-job-0.5.4.jar:?]
	at org.lastaflute.job.LaJobRunner.run(LaJobRunner.java:182) ~[lasta-job-0.5.4.jar:?]
	at org.lastaflute.job.cron4j.Cron4jTask.runJob(Cron4jTask.java:371) ~[lasta-job-0.5.4.jar:?]
	at org.lastaflute.job.cron4j.Cron4jTask.actuallyExecute(Cron4jTask.java:355) ~[lasta-job-0.5.4.jar:?]
	at org.lastaflute.job.cron4j.Cron4jTask.lambda$doExecute$6(Cron4jTask.java:258) ~[lasta-job-0.5.4.jar:?]
	at org.lastaflute.job.cron4j.Cron4jTask.synchronizedNeighborRunning(Cron4jTask.java:328) [lasta-job-0.5.4.jar:?]
	at org.lastaflute.job.cron4j.Cron4jTask.doExecute(Cron4jTask.java:246) [lasta-job-0.5.4.jar:?]
	at org.lastaflute.job.cron4j.Cron4jTask.execute(Cron4jTask.java:151) [lasta-job-0.5.4.jar:?]
	at it.sauronsoftware.cron4j.RomanticCron4jNativeTaskExecutor$RomanticRunner.run(RomanticCron4jNativeTaskExecutor.java:121) [lasta-job-0.5.4.jar:?]
	at java.lang.Thread.run(Thread.java:832) [?:?]

java command in PATH environment seems to be Java 8.
Please check your installed Java in PATH environment.

hi, tanx

Java_Home = C:\Program Files\Java\jdk-15.0.1

See Installation Guide.