SRM 4.8：从 Isilon 收集数据 — PowerScale 收集器突然停止，日志中出现错误

Summary: Isilon （PowerScale） 收集器会在日志中显示持续的错误，从而导致数据收集停止并且任务失败。

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Symptoms

收集日志的 Isilon （PowerScale） 始终显示以下错误消息：  
SEVERE     -- [yyyy-mm-dd hh:mm:ss PDT] -- AbstractStreamHandlerJob::prepareNextStep(): Error executing handler XmlReader
com.watch4net.apg.ubertext.parsing.stream.StreamException: Invalid XPath expression if (/OBJECT/(resolve_time = '0' or resolve_time = 'null' or resolve_time = time or ( resolve_time > @{LastStartTime} and time > @{LastStartTime}) )) then /OBJECT/time else ''
    at com.watch4net.apg.ubertext.parsing.stream.StreamUtils.createExpression(StreamUtils.java:322)
    at com.watch4net.apg.ubertext.parsing.stream.StreamUtils.getXpathResult(StreamUtils.java:283)
    at com.watch4net.apg.ubertext.parsing.stream.StreamUtils.getXpathResult(StreamUtils.java:257)
    at com.watch4net.apg.ubertext.parsing.reader.XmlReader.execute(XmlReader.java:70)
    at com.watch4net.apg.ubertext.parsing.AbstractSimpleStreamHandler.handleExecution(AbstractSimpleStreamHandler.java:41)
    at com.watch4net.apg.ubertext.parsing.concurrent.AbstractStreamHandlerJob.prepareNextStep(AbstractStreamHandlerJob.java:170)
    at com.watch4net.apg.ubertext.parsing.concurrent.SimpleStreamHandlerJob.step(SimpleStreamHandlerJob.java:44)
    at com.watch4net.apg.concurrent.executor.AbstractJobExecutor$SequentialJob.step(AbstractJobExecutor.java:460)
    at com.watch4net.apg.concurrent.executor.AbstractJobExecutor.executeJobRunner(AbstractJobExecutor.java:130)
    at com.watch4net.apg.concurrent.executor.AbstractJobExecutor.access$500(AbstractJobExecutor.java:25)
    at com.watch4net.apg.concurrent.executor.AbstractJobExecutor$JobRunnerImpl.run(AbstractJobExecutor.java:287)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:750)
Caused by: javax.xml.xpath.XPathExpressionException: net.sf.saxon.trans.XPathException: @ must be followed by a NodeTest
    at net.sf.saxon.xpath.XPathEvaluator.compile(XPathEvaluator.java:411)
    at com.watch4net.apg.ubertext.parsing.stream.StreamUtils.createExpression(StreamUtils.java:320)
    ... 13 more
Caused by: net.sf.saxon.trans.XPathException: @ must be followed by a NodeTest
    at net.sf.saxon.expr.parser.ExpressionParser.grumble(ExpressionParser.java:272)
    at net.sf.saxon.expr.parser.ExpressionParser.grumble(ExpressionParser.java:226)
    at net.sf.saxon.expr.parser.ExpressionParser.grumble(ExpressionParser.java:213)
    at net.sf.saxon.expr.parser.ExpressionParser.parseBasicStep(ExpressionParser.java:1802)
    at net.sf.saxon.expr.parser.ExpressionParser.parseStepExpression(ExpressionParser.java:1636)
    at net.sf.saxon.expr.parser.ExpressionParser.parseRelativePath(ExpressionParser.java:1562)
    at net.sf.saxon.expr.parser.ExpressionParser.parsePathExpression(ExpressionParser.java:1529)

Cause

构成解决方案包的 XML 文件可能存在问题。

Resolution

编辑并重新配置解决方案包数据收集组件，并推送解决方案包的默认文件解决了此问题。要编辑和重新配置解决方案包，请按照以下步骤操作：
  1. 转至 SRM 控制台的 管理 页面
  2. 单击 Config > Solution Packs > Installed Solution Packs
  3. 在 Installed Solution Packs 下，单击 Dell PowerScale （Isilon）
  4. 单击 Isilon 数据收集 部分旁边的铅笔图标
  5. 验证 并 验证所有设置是否指向正确的服务器和端口等。
  6. 单击 Reconfigure
提醒：如果之前手动编辑了此解决方案包以应用当前版本中的任何解决方法来修复任何问题，则必须重新应用该解决方法。
Article Properties
Article Number: 000218264
Article Type: Solution
Last Modified: 13 Oct 2023
Version:  2
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