jenkins报错java.lang.OutOfMemoryError: Java heap space

报错信息

2025-05-27 09:17:16.234+0000 [id=38]	WARNING	j.u.ErrorLoggingScheduledThreadPoolExecutor#afterExecute: failure in task not wrapped in SafeTimerTask
java.lang.OutOfMemoryError: Java heap space
	at java.base/java.lang.StringUTF16.compress(StringUTF16.java:168)
	at java.base/java.lang.StringUTF16.newString(StringUTF16.java:1019)
	at java.base/java.lang.String.substring(String.java:1847)
	at net.sf.json.util.JSONTokener.matches(JSONTokener.java:110)
	at net.sf.json.JSONObject._fromJSONTokener(JSONObject.java:912)
	at net.sf.json.JSONObject.fromObject(JSONObject.java:156)
	at net.sf.json.util.JSONTokener.nextValue(JSONTokener.java:348)
	at net.sf.json.JSONArray._fromJSONTokener(JSONArray.java:1131)
	at net.sf.json.JSONArray.fromObject(JSONArray.java:125)
	at net.sf.json.util.JSONTokener.nextValue(JSONTokener.java:351)
	at net.sf.json.JSONObject._fromJSONTokener(JSONObject.java:955)
	at net.sf.json.JSONObject.fromObject(JSONObject.java:156)
	at net.sf.json.util.JSONTokener.nextValue(JSONTokener.java:348)
	at net.sf.json.JSONObject._fromJSONTokener(JSONObject.java:955)
	at net.sf.json.JSONObject.fromObject(JSONObject.java:156)
	at net.sf.json.util.JSONTokener.nextValue(JSONTokener.java:348)
	at net.sf.json.JSONObject._fromJSONTokener(JSONObject.java:955)
	at net.sf.json.JSONObject._fromString(JSONObject.java:1145)
	at net.sf.json.JSONObject.fromObject(JSONObject.java:162)
	at net.sf.json.JSONObject.fromObject(JSONObject.java:132)
	at hudson.model.UpdateSite.getJSONObject(UpdateSite.java:369)
	at hudson.model.UpdateSite.getData(UpdateSite.java:345)
	at hudson.model.UpdateCenter$$Lambda$528/0x00007fad51a68040.accept(Unknown Source)
	at java.base/java.lang.Iterable.forEach(Iterable.java:75)
	at hudson.model.UpdateCenter.lambda$isSiteDataReady$2(UpdateCenter.java:608)
	at hudson.model.UpdateCenter$$Lambda$527/0x00007fad51a69840.run(Unknown Source)
	at jenkins.security.ImpersonatingScheduledExecutorService$1.run(ImpersonatingScheduledExecutorService.java:67)
	at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)

解决办法

原因是给jenkins分配的堆内存不够

解决：在启动jenkins的时候，给启动命令加上jvm参数

-Xmx 1024m -Xms 1024m