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markt pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/main by this push:
new 8d7a0102c4 Fix a TCK failure for JSP include then forward
8d7a0102c4 is described below
commit 8d7a0102c4953a62728b3a45443902b975272af9
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Tue Mar 12 12:26:56 2024 +0000
Fix a TCK failure for JSP include then forward
Handle the case where the JSP engine forwards a request/response to a
Servlet that uses an OutputStream rather than a Writer. This was
triggering an IllegalStateException on code paths where there was a
subsequent attempt to obtain a Writer.
This had been returning the correct body but with a 500 response. The
older TCKs didn't notice the 500 response. The refactored TCK used in
Jakarta EE 11 did.
---
java/org/apache/jasper/runtime/JspWriterImpl.java | 12 +++++++++++-
.../apache/jasper/runtime/TestPageContextImpl.java | 17 +++++++++++++++++
test/webapp/jsp/forward.jsp | 17 +++++++++++++++++
test/webapp/jsp/includeThenForward.jsp | 19 +++++++++++++++++++
test/webapp/jsp/ok.html | 5 +++++
webapps/docs/changelog.xml | 11 +++++++++++
6 files changed, 80 insertions(+), 1 deletion(-)
diff --git a/java/org/apache/jasper/runtime/JspWriterImpl.java
b/java/org/apache/jasper/runtime/JspWriterImpl.java
index a2b1632295..06b14c1b3b 100644
--- a/java/org/apache/jasper/runtime/JspWriterImpl.java
+++ b/java/org/apache/jasper/runtime/JspWriterImpl.java
@@ -17,6 +17,7 @@
package org.apache.jasper.runtime;
import java.io.IOException;
+import java.io.PrintWriter;
import java.io.Writer;
import jakarta.servlet.ServletResponse;
@@ -115,7 +116,16 @@ public class JspWriterImpl extends JspWriter {
private void initOut() throws IOException {
if (out == null) {
- out = response.getWriter();
+ try {
+ out = response.getWriter();
+ } catch (IllegalStateException e) {
+ /*
+ * At some point in the processing something (most likely the
default servlet as the target of a
+ * <jsp:forward ... /> action) wrote directly to the
OutputStream rather than the Writer. Wrap the
+ * OutputStream in a Writer so the JSp engine can use the
Writer it is expecting to use.
+ */
+ out = new PrintWriter(response.getOutputStream());
+ }
}
}
diff --git a/test/org/apache/jasper/runtime/TestPageContextImpl.java
b/test/org/apache/jasper/runtime/TestPageContextImpl.java
index 4d409f0219..ee326ec3b2 100644
--- a/test/org/apache/jasper/runtime/TestPageContextImpl.java
+++ b/test/org/apache/jasper/runtime/TestPageContextImpl.java
@@ -120,4 +120,21 @@ public class TestPageContextImpl extends TomcatBaseTest {
}
}
+
+
+ @Test
+ public void testIncludeThenForward() throws Exception {
+ getTomcatInstanceTestWebapp(false, true);
+
+ ByteChunk res = new ByteChunk();
+
+ int rc = getUrl("http://localhost:"; + getPort() +
+ "/test/jsp/includeThenForward.jsp", res, null);
+
+ Assert.assertEquals(HttpServletResponse.SC_OK, rc);
+
+ String body = res.toString();
+ Assert.assertTrue(body.contains("OK"));
+ Assert.assertFalse(body.contains("FAIL"));
+ }
}
diff --git a/test/webapp/jsp/forward.jsp b/test/webapp/jsp/forward.jsp
new file mode 100644
index 0000000000..eb87acd5fe
--- /dev/null
+++ b/test/webapp/jsp/forward.jsp
@@ -0,0 +1,17 @@
+<%--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+--%>
+<jsp:forward page="ok.html" />
diff --git a/test/webapp/jsp/includeThenForward.jsp
b/test/webapp/jsp/includeThenForward.jsp
new file mode 100644
index 0000000000..9c17bcce37
--- /dev/null
+++ b/test/webapp/jsp/includeThenForward.jsp
@@ -0,0 +1,19 @@
+<%--
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements. See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License. You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+--%>
+<p>FAIL</p>
+<jsp:include page="forward.jsp" />
+<p>FAIL</p>
\ No newline at end of file
diff --git a/test/webapp/jsp/ok.html b/test/webapp/jsp/ok.html
new file mode 100644
index 0000000000..35b67d7844
--- /dev/null
+++ b/test/webapp/jsp/ok.html
@@ -0,0 +1,5 @@
+<html>
+ <body>
+ <p>OK</p>
+ </body>
+</html>
\ No newline at end of file
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index b921c7ccfe..59c19636c5 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -120,6 +120,17 @@
</add>
</changelog>
</subsection>
+ <subsection name="Jasper">
+ <changelog>
+ <fix>
+ Handle the case where the JSP engine forwards a request/response to a
+ Servlet that uses an <code>OutputStream</code> rather than a
+ <code>Writer</code>. This was triggering an
+ <code>IllegalStateException</code> on code paths where there was a
+ subsequent attempt to obtain a <code>Writer</code>. (markt)
+ </fix>
+ </changelog>
+ </subsection>
</section>
<section name="Tomcat 11.0.0-M18 (markt)" rtext="release in progress">
<subsection name="General">
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