[HADOOP-13663] Index out of range in SysInfoWindows

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.3
• Fix Version/s: 2.8.0, 3.0.0-alpha2
• Component/s: native, util

Environment

Windows

• Assignee: Íñigo Goiri
• Reporter: Íñigo Goiri
• Created: 26/Sep/16 23:06
• Updated: 28/Aug/17 17:56
• Resolved: 22/Nov/16 01:57

Description

Sometimes, the NodeResourceMonitor tries to read the system utilization from winutils.exe and this return empty values. This triggers the following exception:
java.lang.StringIndexOutOfBoundsException: String index out of range: -1
at java.lang.String.substring(String.java:1911)
at org.apache.hadoop.util.SysInfoWindows.refreshIfNeeded(SysInfoWindows.java:158)
at org.apache.hadoop.util.SysInfoWindows.getPhysicalMemorySize(SysInfoWindows.java:247)
at org.apache.hadoop.yarn.util.ResourceCalculatorPlugin.getPhysicalMemorySize(ResourceCalculatorPlugin.java:63)
at org.apache.hadoop.yarn.server.nodemanager.NodeResourceMonitorImpl$MonitoringThread.run(NodeResourceMonitorImpl.java:139)

Issue Links

• relates to: HADOOP-14354 SysInfoWindows is not thread safe