https://bz.apache.org/bugzilla/show_bug.cgi?id=60482
Bug ID: 60482
Summary: URL parameters parsed incorrectly using HTTP/2
connector
Product: Tomcat 8
Version: 8.5.9
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: adaniels...@gmail.com
Target Milestone: ----
I'm using Tomcat 8.5.9. It appears that query strings containing percent
encoded ampersand (%26) and percent (%25) characters are not parsed correctly
when using the HTTP/2 connector. Using HTTP 1.1, it works fine.
To reproduce:
1) create ROOT/test.jsp with these contents:
foo=[<%= request.getParameter("foo") %>]
2) Set up an HTTPS connector in server.xml that upgrades to HTTP/2 and start
the server:
<Connector port="8443" scheme="https" secure="true" SSLEnabled="true"
compression="on" address="0.0.0.0">
<UpgradeProtocol className="org.apache.coyote.http2.Http2Protocol" />
<SSLHostConfig protocols="TLSv1.1+TLSv1.2">
<Certificate certificateKeyFile="conf\tls\key.pem"
certificateFile="conf\cert.crt"
certificateChainFile="conf\tls\STAR_credentialsmart_net.ca-bundle" />
</SSLHostConfig>
</Connector>
3) Browse to https://localhost:8443/test.jsp?foo=b%26a
The result is:
foo=[b]
4) Now comment out <UpgradeProtocol ...> in the HTTPS connector in server.xml
and restart.
5) Browse to https://localhost:8443/test.jsp?foo=b%26a
The result is:
foo=[b&a]
The access log also shows the URLs differently:
0:0:0:0:0:0:0:1 - - [15/Dec/2016:02:12:22 -0500] "GET /test.jsp?foo=b%26a
HTTP/1.1" 200 14
0:0:0:0:0:0:0:1 - - [15/Dec/2016:02:12:36 -0500] "GET /test.jsp?foo=b&a
HTTP/2.0" 200 12
And the logs show the message:
14-Dec-2016 23:48:59.846 FINE [catalina-exec-2]
org.apache.tomcat.util.http.Parameters.processParameters Parameter starting at
position [10] and ending at position [15] with a value of [10] was not followed
by an = character
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