[HADOOP-13872] KMS JMX exception

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Duplicate
• Affects Version/s: 3.0.0-alpha2
• Component/s: kms
• Target Version/s: 3.0.0-alpha2
• Assignee: John Zhuge
• Reporter: John Zhuge
• Created: 07/Dec/16 20:34
• Updated: 28/Jun/17 15:14
• Resolved: 28/Jun/17 06:39

Description

Run KMS in pseudo distributed mode, point browser to http://localhost:16000/kms/jmx?user.name=kms, got "HTTP Status 500 - Servlet execution threw an exception":

HTTP Status 500 - Servlet execution threw an exception

type Exception report

message Servlet execution threw an exception

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Servlet execution threw an exception
	org.apache.hadoop.crypto.key.kms.server.KMSMDCFilter.doFilter(KMSMDCFilter.java:84)
	org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:636)
	org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticationFilter.doFilter(DelegationTokenAuthenticationFilter.java:304)
	org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:588)
	org.apache.hadoop.crypto.key.kms.server.KMSAuthenticationFilter.doFilter(KMSAuthenticationFilter.java:141)
root cause

java.lang.NoClassDefFoundError: org/eclipse/jetty/server/handler/ContextHandler
	java.lang.ClassLoader.defineClass1(Native Method)
	java.lang.ClassLoader.defineClass(ClassLoader.java:760)
	java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2946)
	org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1177)
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1665)
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1544)
	org.apache.hadoop.jmx.JMXJsonServlet.doGet(JMXJsonServlet.java:176)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
	org.apache.hadoop.crypto.key.kms.server.KMSMDCFilter.doFilter(KMSMDCFilter.java:84)
	org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:636)
	org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticationFilter.doFilter(DelegationTokenAuthenticationFilter.java:304)
	org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:588)
	org.apache.hadoop.crypto.key.kms.server.KMSAuthenticationFilter.doFilter(KMSAuthenticationFilter.java:141)
root cause

java.lang.ClassNotFoundException: org.eclipse.jetty.server.handler.ContextHandler
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1698)
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1544)
	java.lang.ClassLoader.defineClass1(Native Method)
	java.lang.ClassLoader.defineClass(ClassLoader.java:760)
	java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2946)
	org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1177)
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1665)
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1544)
	org.apache.hadoop.jmx.JMXJsonServlet.doGet(JMXJsonServlet.java:176)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
	org.apache.hadoop.crypto.key.kms.server.KMSMDCFilter.doFilter(KMSMDCFilter.java:84)
	org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:636)
	org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticationFilter.doFilter(DelegationTokenAuthenticationFilter.java:304)
	org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:588)
	org.apache.hadoop.crypto.key.kms.server.KMSAuthenticationFilter.doFilter(KMSAuthenticationFilter.java:141)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.48 logs.

Issue Links

• duplicates: HADOOP-13597 Switch KMS from Tomcat to Jetty
• is related to: HDFS-12027 Add KMS API to get service version and health check
• relates to: HADOOP-14024 KMS JMX endpoint throws ClassNotFoundException