https://bz.apache.org/bugzilla/show_bug.cgi?id=60820
Bug ID: 60820
Summary: ClassCastException in method request.getParameter
Product: Tomcat 8
Version: 8.0.38
Hardware: PC
OS: Linux
Status: NEW
Severity: critical
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: vivek_na...@yahoo.co.in
Target Milestone: ----
Hi,
We are getting the following exception stacktrace while calling getParameter
method in servlet request object,
java.lang.ClassCastException: java.lang.String cannot be cast to
[Ljava.lang.String; at
org.apache.catalina.core.ApplicationHttpRequest.getParameter(ApplicationHttpRequest.java:371)
at
javax.servlet.ServletRequestWrapper.getParameter(ServletRequestWrapper.java:153)
Seeing the source code for tomcat 8.0.38 we see some changes to the
getParameter method. When the catalina code is doing parameter.get(name) the
return value is a String which is being taken in a String[] I see the
parseParameter() method call before this but is this a case that method fails
for some scenarios? The query parameter for which it is failing in
p=<someSimpleContiniousString> which in any case is not an Array. Please note,
we are running our application in liferay 6.2.14 and tomcat 8.0.38 in jdk 8.
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