Errors reported on IntroscopeAgent.log

Products

CA Application Performance Management Agent (APM / Wily / Introscope) CA Application Performance Management (APM / Wily / Introscope) INTROSCOPE DX Application Performance Management

Issue/Introduction

Here are a few errors found within the agent log, as we were troubleshooting missing WebServices metrics.

[WARN] [IntroscopeAgent.IntelligentInstrumentation] No new entry point or backend will be discovered, because number of automatically detected boundary points have reached a clamp value of 60, as defined in introscope.agent.autopersist.instrumentation.count.max

[ERROR] [IntroscopeAgent.Agent] Error extracting namespace from Rest WebService

[ERROR] [IntroscopeAgent.Agent]

java.lang.StringIndexOutOfBoundsException: String index out of range: 28

at java.lang.String.substring(String.java:2736)

at java.lang.StringBuffer.append(StringBuffer.java:2279)

at java.util.regex.Matcher.appendReplacement(Matcher.java:899)

at java.util.regex.Matcher.replaceAll(Matcher.java:966)

at com.ca.apm.extensions.springws.SpringWsUtils.getReplacedString(SpringWsUtils.java:280)

at com.ca.apm.extensions.springws.nameformatter.SpringRestNameFormatter.getNamespace(SpringRestNameFormatter.java:46)

at com.wily.powerpack.webservices.extension.agent.trace.nameformatter.ANameFormatter.INameFormatter_format(ANameFormatter.java:96)

at com.wily.introscope.agent.trace.ATracerFactory.customFormat(ATracerFactory.java:287)

Environment

Release : 10.7.0

Component : APM Agents

Resolution

Initially this issue pointed to this KB.

https://ca-broadcom.wolkenservicedesk.com/external/article?articleId=115912

However, it was found that this issue was due to a clamping event happening on the Collector that this agent connects to.