Author: markt
Date: Tue Jul 26 11:50:21 2016
New Revision: 1754112
URL: http://svn.apache.org/viewvc?rev=1754112&view=rev
Log:
Improve the error handling for custom tags to ensure that the tag is returned
to the pool or released and destroyed once used.
Modified:
tomcat/tc8.5.x/trunk/ (props changed)
tomcat/tc8.5.x/trunk/java/org/apache/jasper/compiler/Generator.java
tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml
Propchange: tomcat/tc8.5.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Jul 26 11:50:21 2016
@@ -1 +1 @@
-/tomcat/trunk:1734785,1734799,1734845,1734928,1735041,1735044,1735480,1735577,1735597,1735599-1735600,1735615,1736145,1736162,1736209,1736280,1736297,1736299,1736489,1736646,1736703,1736836,1736849,1737104-1737105,1737112,1737117,1737119-1737120,1737155,1737157,1737192,1737280,1737339,1737632,1737664,1737715,1737748,1737785,1737834,1737860,1737903,1737959,1738005,1738007,1738014-1738015,1738018,1738022,1738039,1738043,1738059-1738060,1738147,1738149,1738174-1738175,1738261,1738589,1738623-1738625,1738643,1738816,1738850,1738855,1738946-1738948,1738953-1738954,1738979,1738982,1739079-1739081,1739087,1739113,1739153,1739172,1739176,1739191,1739474,1739726,1739762,1739775,1739814,1739817-1739818,1739975,1740131,1740324,1740465,1740495,1740508-1740509,1740520,1740535,1740707,1740803,1740810,1740969,1740980,1740991,1740997,1741015,1741033,1741036,1741058,1741060,1741080,1741147,1741159,1741164,1741173,1741181,1741190,1741197,1741202,1741208,1741213,1741221,1741225,1741232,1741409,1741501
,1741677,1741892,1741896,1741984,1742023,1742042,1742071,1742090,1742093,1742101,1742105,1742111,1742139,1742146,1742148,1742166,1742181,1742184,1742187,1742246,1742248-1742251,1742263-1742264,1742268,1742276,1742369,1742387,1742448,1742509-1742512,1742917,1742919,1742933,1742975-1742976,1742984,1742986,1743019,1743115,1743117,1743124-1743125,1743134,1743425,1743554,1743679,1743696-1743698,1743700-1743701,1744058,1744064-1744065,1744125,1744194,1744229,1744270,1744323,1744432,1744684,1744697,1744705,1744713,1744760,1744786,1745083,1745142-1745143,1745145,1745177,1745179-1745180,1745227,1745248,1745254,1745337,1745467,1745473,1745576,1745735,1745744,1746304,1746306-1746307,1746319,1746327,1746338,1746340-1746341,1746344,1746427,1746441,1746473,1746490,1746492,1746495-1746496,1746499-1746501,1746503-1746507,1746509,1746549,1746551,1746554,1746556,1746558,1746584,1746620,1746649,1746724,1746939,1746989,1747014,1747028,1747035,1747210,1747225,1747234,1747253,1747404,1747506,1747536,1747
924,1747980,1747993,1748001,1748253,1748452,1748547,1748629,1748676,1748715,1749287,1749296,1749328,1749373,1749465,1749506,1749508,1749665-1749666,1749763,1749865-1749866,1749898,1749978,1749980,1750011,1750015,1750056,1750480,1750617,1750634,1750692,1750697,1750700,1750703,1750707,1750714,1750718,1750723,1750899,1750975,1750995,1751061,1751097,1751438,1751447,1751463,1751702,1752212,1752737,1752745,1753358,1753363
+/tomcat/trunk:1734785,1734799,1734845,1734928,1735041,1735044,1735480,1735577,1735597,1735599-1735600,1735615,1736145,1736162,1736209,1736280,1736297,1736299,1736489,1736646,1736703,1736836,1736849,1737104-1737105,1737112,1737117,1737119-1737120,1737155,1737157,1737192,1737280,1737339,1737632,1737664,1737715,1737748,1737785,1737834,1737860,1737903,1737959,1738005,1738007,1738014-1738015,1738018,1738022,1738039,1738043,1738059-1738060,1738147,1738149,1738174-1738175,1738261,1738589,1738623-1738625,1738643,1738816,1738850,1738855,1738946-1738948,1738953-1738954,1738979,1738982,1739079-1739081,1739087,1739113,1739153,1739172,1739176,1739191,1739474,1739726,1739762,1739775,1739814,1739817-1739818,1739975,1740131,1740324,1740465,1740495,1740508-1740509,1740520,1740535,1740707,1740803,1740810,1740969,1740980,1740991,1740997,1741015,1741033,1741036,1741058,1741060,1741080,1741147,1741159,1741164,1741173,1741181,1741190,1741197,1741202,1741208,1741213,1741221,1741225,1741232,1741409,1741501
,1741677,1741892,1741896,1741984,1742023,1742042,1742071,1742090,1742093,1742101,1742105,1742111,1742139,1742146,1742148,1742166,1742181,1742184,1742187,1742246,1742248-1742251,1742263-1742264,1742268,1742276,1742369,1742387,1742448,1742509-1742512,1742917,1742919,1742933,1742975-1742976,1742984,1742986,1743019,1743115,1743117,1743124-1743125,1743134,1743425,1743554,1743679,1743696-1743698,1743700-1743701,1744058,1744064-1744065,1744125,1744194,1744229,1744270,1744323,1744432,1744684,1744697,1744705,1744713,1744760,1744786,1745083,1745142-1745143,1745145,1745177,1745179-1745180,1745227,1745248,1745254,1745337,1745467,1745473,1745576,1745735,1745744,1746304,1746306-1746307,1746319,1746327,1746338,1746340-1746341,1746344,1746427,1746441,1746473,1746490,1746492,1746495-1746496,1746499-1746501,1746503-1746507,1746509,1746549,1746551,1746554,1746556,1746558,1746584,1746620,1746649,1746724,1746939,1746989,1747014,1747028,1747035,1747210,1747225,1747234,1747253,1747404,1747506,1747536,1747
924,1747980,1747993,1748001,1748253,1748452,1748547,1748629,1748676,1748715,1749287,1749296,1749328,1749373,1749465,1749506,1749508,1749665-1749666,1749763,1749865-1749866,1749898,1749978,1749980,1750011,1750015,1750056,1750480,1750617,1750634,1750692,1750697,1750700,1750703,1750707,1750714,1750718,1750723,1750899,1750975,1750995,1751061,1751097,1751438,1751447,1751463,1751702,1752212,1752737,1752745,1753358,1753363,1754111
Modified: tomcat/tc8.5.x/trunk/java/org/apache/jasper/compiler/Generator.java
URL:
http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/java/org/apache/jasper/compiler/Generator.java?rev=1754112&r1=1754111&r2=1754112&view=diff
==============================================================================
--- tomcat/tc8.5.x/trunk/java/org/apache/jasper/compiler/Generator.java
(original)
+++ tomcat/tc8.5.x/trunk/java/org/apache/jasper/compiler/Generator.java Tue Jul
26 11:50:21 2016
@@ -2399,6 +2399,10 @@ class Generator {
writeNewInstance(tagHandlerVar, tagHandlerClassName);
}
+ // Wrap use of tag in try/finally to ensure clean-up takes place
+ out.printil("try {");
+ out.pushIndent();
+
// includes setting the context
generateSetters(n, tagHandlerVar, handlerInfo, false);
@@ -2559,18 +2563,6 @@ class Generator {
out.print(tagHandlerVar);
out.println(".doEndTag() ==
javax.servlet.jsp.tagext.Tag.SKIP_PAGE) {");
out.pushIndent();
- if (!n.implementsTryCatchFinally()) {
- if (isPoolingEnabled && !(n.implementsJspIdConsumer())) {
- out.printin(n.getTagHandlerPoolName());
- out.print(".reuse(");
- out.print(tagHandlerVar);
- out.println(");");
- } else {
- out.printin(tagHandlerVar);
- out.println(".release();");
- writeDestroyInstance(tagHandlerVar);
- }
- }
if (isTagFile || isFragment) {
out.printil("throw new
javax.servlet.jsp.SkipPageException();");
} else {
@@ -2603,6 +2595,15 @@ class Generator {
out.println(".doFinally();");
}
+ if (n.implementsTryCatchFinally()) {
+ out.popIndent();
+ out.printil("}");
+ }
+
+ // Ensure clean-up takes place
+ out.popIndent();
+ out.printil("} finally {");
+ out.pushIndent();
if (isPoolingEnabled && !(n.implementsJspIdConsumer())) {
out.printin(n.getTagHandlerPoolName());
out.print(".reuse(");
@@ -2613,11 +2614,8 @@ class Generator {
out.println(".release();");
writeDestroyInstance(tagHandlerVar);
}
-
- if (n.implementsTryCatchFinally()) {
- out.popIndent();
- out.printil("}");
- }
+ out.popIndent();
+ out.printil("}");
// Declare and synchronize AT_END scripting variables (must do this
// outside the try/catch/finally block)
Modified: tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml
URL:
http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml?rev=1754112&r1=1754111&r2=1754112&view=diff
==============================================================================
--- tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml Tue Jul 26 11:50:21 2016
@@ -80,6 +80,10 @@
used in the XML prolog matches the encoding used to write the contents
of the file. (markt)
</fix>
+ <fix>
+ Improve the error handling for custom tags to ensure that the tag is
+ returned to the pool or released and destroyed once used. (markt)
+ </fix>
</changelog>
</subsection>
<subsection name="Web applications">
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