https://issues.apache.org/bugzilla/show_bug.cgi?id=52384
Bug #: 52384
Summary: URL parameter without value should be parsed
successfully when logging level = DEBUG
Product: Tomcat 7
Version: 7.0.23
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
AssignedTo: [email protected]
ReportedBy: [email protected]
Classification: Unclassified
Create a simple servlet with
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.getParameterMap();
}
Start Tomcat under Eclipse, or force logging level for class
org.apache.tomcat.util.http.Parameters to be "DEBUG"
Call the servlet with parameter which has no value set, e.g.
http://localhost:8080/mywebapp/myservlet?parameterWithotValue
(so only the "parameterWithotValue" should be in the result of
request.getParameterMap())
enjoy exception:
java.lang.ArrayIndexOutOfBoundsException
at java.lang.System.arraycopy(Native Method)
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:334)
at
org.apache.tomcat.util.http.Parameters.processParameters(Parameters.java:347)
at
org.apache.tomcat.util.http.Parameters.processParameters(Parameters.java:425)
at
org.apache.tomcat.util.http.Parameters.handleQueryParameters(Parameters.java:189)
at org.apache.catalina.connector.Request.parseParameters(Request.java:2993)
at
org.apache.catalina.connector.Request.getParameterNames(Request.java:1185)
at org.apache.catalina.connector.Request.getParameterMap(Request.java:1164)
at
org.apache.catalina.connector.RequestFacade.getParameterMap(RequestFacade.java:444)
at ru.agapemoda.servlet.ImageServlet.doGet(ImageServlet.java:47)
......................................................
at java.lang.Thread.run(Thread.java:662)
Note: when logging level is "SEVERE", the troublesome code in
org.apache.tomcat.util.http.Parameters.processParameters(Parameters.java:347)
if (log.isDebugEnabled()) {
try {
origName.append(bytes, nameStart, nameEnd - nameStart);
origValue.append(bytes, valueStart, valueEnd - valueStart);
} catch (IOException ioe) {
// Should never happen...
log.error(sm.getString("parameters.copyFail"), ioe);
}
}
is not executed and parameter is being parsed successfully. Should be parsed
successfully with log level = "DEBUG" as well.
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