Flickering HTML validation test for xwiki/bin/view/Macros/Tree

Validating XWiki validity for [http://127.0.0.1:8080/xwiki/bin/view/Macros/Tree] executed with credentials Admin:admin
11:57:25.051 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 2019-03-14 11:57:24,978 [org.xwiki.rendering.async.internal.AsyncRendererJob@4b991510([uix, xwiki:Help.TipsPanel.WebHome, author, xwiki:XWiki.superadmin, locale, en, secureDocument, xwiki:Help.TipsPanel.WebHome, 3853])] WARN  o.x.r.a.i.AsyncRendererJob     - Failed to store job status [org.xwiki.rendering.async.internal.AsyncRendererJobStatus@257547c4] 
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - java.util.concurrent.RejectedExecutionException: Task org.xwiki.job.internal.DefaultJobStatusStore$JobStatusSerializerRunnable@5491911d rejected from java.util.concurrent.ThreadPoolExecutor@403d2d28[Running, pool size = 10, active threads = 10, queued tasks = 0, completed tasks = 3845]
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2047)
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:823)
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1369)
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.job.internal.DefaultJobStatusStore.store(DefaultJobStatusStore.java:380)
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.job.internal.DefaultJobStatusStore.storeAsync(DefaultJobStatusStore.java:362)
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.job.AbstractJob.jobFinished(AbstractJob.java:319)
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.job.AbstractJob.runInContext(AbstractJob.java:241)
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.job.AbstractJob.run(AbstractJob.java:213)
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at java.lang.Thread.run(Thread.java:745)
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 2019-03-14 11:57:25,030 [org.xwiki.rendering.async.internal.AsyncRendererJob@1bc7f3f2([uix, xwiki:Help.TipsPanel.WebHome, author, xwiki:XWiki.superadmin, locale, en, secureDocument, xwiki:Help.TipsPanel.WebHome, 3855])] WARN  o.x.r.a.i.AsyncRendererJob     - Failed to store job status [org.xwiki.rendering.async.internal.AsyncRendererJobStatus@19c1c944] 
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - java.util.concurrent.RejectedExecutionException: Task org.xwiki.job.internal.DefaultJobStatusStore$JobStatusSerializerRunnable@d09c01c rejected from java.util.concurrent.ThreadPoolExecutor@403d2d28[Running, pool size = 10, active threads = 10, queued tasks = 0, completed tasks = 3845]
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at java.util.concurrent.ThreadPoolExecutor$AbortPolicy.rejectedExecution(ThreadPoolExecutor.java:2047)
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at java.util.concurrent.ThreadPoolExecutor.reject(ThreadPoolExecutor.java:823)
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at java.util.concurrent.ThreadPoolExecutor.execute(ThreadPoolExecutor.java:1369)
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.job.internal.DefaultJobStatusStore.store(DefaultJobStatusStore.java:380)
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.job.internal.DefaultJobStatusStore.storeAsync(DefaultJobStatusStore.java:362)
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.job.AbstractJob.jobFinished(AbstractJob.java:319)
11:57:25.052 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.job.AbstractJob.runInContext(AbstractJob.java:241)
11:57:25.053 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.job.AbstractJob.run(AbstractJob.java:213)
11:57:25.053 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
11:57:25.053 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
11:57:25.053 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at java.lang.Thread.run(Thread.java:745)