Author: markt
Date: Fri Jun 1 10:16:50 2012
New Revision: 1345039
URL: http://svn.apache.org/viewvc?rev=1345039&view=rev
Log:
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=53301
Prevent double initialisation of servlets when using existing servlet instances
with embedded Tomcat
Modified:
tomcat/trunk/java/org/apache/catalina/startup/Tomcat.java
tomcat/trunk/test/org/apache/catalina/startup/TestTomcat.java
Modified: tomcat/trunk/java/org/apache/catalina/startup/Tomcat.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/startup/Tomcat.java?rev=1345039&r1=1345038&r2=1345039&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/startup/Tomcat.java (original)
+++ tomcat/trunk/java/org/apache/catalina/startup/Tomcat.java Fri Jun 1
10:16:50 2012
@@ -797,7 +797,6 @@ public class Tomcat {
*/
public static class ExistingStandardWrapper extends StandardWrapper {
private final Servlet existing;
- boolean init = false;
@SuppressWarnings("deprecation")
public ExistingStandardWrapper( Servlet existing ) {
@@ -821,9 +820,9 @@ public class Tomcat {
instance.init(facade);
return instance;
} else {
- if (!init) {
+ if (!instanceInitialized) {
existing.init(facade);
- init = true;
+ instanceInitialized = true;
}
return existing;
}
Modified: tomcat/trunk/test/org/apache/catalina/startup/TestTomcat.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/test/org/apache/catalina/startup/TestTomcat.java?rev=1345039&r1=1345038&r2=1345039&view=diff
==============================================================================
--- tomcat/trunk/test/org/apache/catalina/startup/TestTomcat.java (original)
+++ tomcat/trunk/test/org/apache/catalina/startup/TestTomcat.java Fri Jun 1
10:16:50 2012
@@ -28,10 +28,12 @@ import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
+import java.util.concurrent.atomic.AtomicInteger;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NamingException;
+import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@@ -159,6 +161,34 @@ public class TestTomcat extends TomcatBa
}
/**
+ * Simple servlet to test initialization of servlet instances.
+ */
+ private static class InitCount extends HttpServlet {
+
+ private static final long serialVersionUID = 1L;
+
+ private AtomicInteger callCount = new AtomicInteger(0);
+
+ @Override
+ public void init() throws ServletException {
+ super.init();
+ callCount.incrementAndGet();
+ }
+
+ @Override
+ protected void doGet(HttpServletRequest req, HttpServletResponse resp)
+ throws ServletException, IOException {
+ resp.setContentType("text/plain");
+ resp.getWriter().print("OK");
+ }
+
+ public int getCallCount() {
+ return callCount.intValue();
+ }
+ }
+
+
+ /**
* Simple Realm that uses a configurable {@link Map} to link user names and
* passwords.
*/
@@ -397,4 +427,24 @@ public class TestTomcat extends TomcatBa
}
assertNull(e);
}
+
+ @Test
+ public void testBug53301() throws Exception {
+ Tomcat tomcat = getTomcatInstance();
+
+ // Must have a real docBase - just use temp
+ org.apache.catalina.Context ctx =
+ tomcat.addContext("", System.getProperty("java.io.tmpdir"));
+
+ InitCount initCount = new InitCount();
+ Tomcat.addServlet(ctx, "initCount", initCount);
+ ctx.addServletMapping("/", "initCount");
+
+ tomcat.start();
+
+ ByteChunk res = getUrl("http://localhost:"; + getPort() + "/");
+ assertEquals("OK", res.toString());
+
+ assertEquals(1, initCount.getCallCount());
+ }
}
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