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Posted to dev@tomcat.apache.org by ma...@apache.org on 2017/07/31 10:27:30 UTC

svn commit: r1803507 - in /tomcat/tc8.0.x/trunk: ./ conf/ java/org/apache/catalina/servlets/ test/org/apache/catalina/servlets/ test/webapp/ test/webapp/bug49nnn/ webapps/docs/

Author: markt
Date: Mon Jul 31 10:27:30 2017
New Revision: 1803507

URL: http://svn.apache.org/viewvc?rev=1803507&view=rev
Log:
Revert fix for bug 49464 as it was causing too many regressions in later branches.

Removed:
    tomcat/tc8.0.x/trunk/test/webapp/404.html
    tomcat/tc8.0.x/trunk/test/webapp/bug49nnn/bug49464-ibm850.txt
    tomcat/tc8.0.x/trunk/test/webapp/bug49nnn/bug49464-utf8-bom.txt
Modified:
    tomcat/tc8.0.x/trunk/   (props changed)
    tomcat/tc8.0.x/trunk/build.xml
    tomcat/tc8.0.x/trunk/conf/web.xml
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/servlets/DefaultServlet.java
    tomcat/tc8.0.x/trunk/test/org/apache/catalina/servlets/TestDefaultServlet.java
    tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml
    tomcat/tc8.0.x/trunk/webapps/docs/default-servlet.xml

Propchange: tomcat/tc8.0.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Mon Jul 31 10:27:30 2017
@@ -1,2 +1,2 @@
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 666387,1666494,1666496,1666552,1666569,1666579,1666637,1666649,1666757,1666966,1666972,1666985,1666995,1666997,1667292,1667402,1667406,1667546,1667615,1667630,1667636,1667688,1667764,1667871,1668026,1668135,1668193,1668593,1668596,1668630,1668639,1668843,1669353,1669370,1669451,1669800,1669838,1669876,1669882,1670394,1670433,1670591,1670598-1670600,1670610,1670631,1670719,1670724,1670726,1670730,1670940,1671112,1672272,1672284,1673754,1674294,1675461,1675486,1675594,1675830,1676231,1676250-1676251,1676364,1676381,1676393,1676479,1676525,1676552,1676615,1676630,1676634,1676721,1676926,1676943,1677140,1677802,1678011,1678162,1678174,1678339,1678426-1678427,1678694,1678701,1679534,1679708,1679710,1679716,1680034,1680246,1681056,1681123,1681138,1681280,1681283,1681286,1681450,1681697,1681699,1681701,1681729,1681770,1681779,1681793,1681807,1681837-1681838,1681854,1681862,1681958,1682028,1682033,1682311,1682315,1682317,1682320,1682324,1682330,1682842,1684172,1684366,1684383,1684526-168452
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 2886,1702910,1702923,1702971,1702984,1703024,1703040,1703044,1703049-1703050,1703143,1703146,1703151,1703160,1703164,1703167,1703174,1703192,1703287,1703290,1703358,1703408,1703486,1703509,1703523,1703542,1703545,1703554,1703584,1703673,1703676,1703678,1703680,1703763,1703784,1703821,1703842,1703849,1703851,1703853,1703856,1703860,1703865,1703890,1703948,1704149,1704151,1704251,1704278,1704289,1704302,1704305,1704307,1704318,1704331,1704647,1704658,1704689,1704702,1704706,1704711,1704730-1704733,1704735,1704739,1704741-1704742,1704744,1704786,1704867,1705231,1705630,1705635,1705639,1705647,1705650-1705652,1705842,1705848,1705865-1705866,1705942,1706017,1706744-1706745,1706853,1706915,1707052,1707088,1708500-1708501,1708504-1708505,1708570,1708649,1708687,1708745,1708957,1709120,1709266,1709295,1709375,1709663,1709895,1709960,1710070,1710134,1710341,1710346,1710441,1710445,1710489,1710517,1710523,1710571,1710577,1710632,1710676,1710689,1710753-1710754,1710779,1710924,1710930,1710933,
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 ,1740509,1740520,1740535,1740707,1740803,1740810,1740980,1740991,1741015,1741147,1741173,1741181,1741190,1741202,1741208,1741213,1741221,1741225,1741232,1741409,1741677,1741892,1741896,1742071,1742090,1742093,1742101,1742105,1742111,1742146,1742166,1742181,1742184,1742187,1742246,1742248-1742251,1742263-1742264,1742268,1742276,1742369,1742387,1742448,1742919,1742975,1742984,1742986,1743117,1743124-1743125,1743134,1743425,1743554,1743679,1743696-1743697,1743700-1743701,1744058,1744064-1744065,1744125,1744194,1744229,1744270,1744323,1744432,1744684,1744697,1744705,1744760,1745227,1745337,1746306,1746427,1746473,1746620,1746649,1746724,1746939,1746989,1747536,1747924,1748001,1748547,1748629,1748715,1749287,1749328,1749665-1749666,1750015,1750056,1750899,1750975,1750995,1751061,1751097,1752212,1752737,1753078,1753080,1753358,1753363,1754111,1754140-1754141,1754281,1754310,1754445,1754467,1754494,1754496,1754528,1754532-1754533,1754613,1754714,1754874,1754941,1754944,1754950-1754951,1755
 214,1755224,1755230,1755646-1755647,1755650,1755675,1755693,1755717,1755884,1755890,1755918-1755919,1755942,1756013,1756019,1756039,1756408,1756410,1756898,1756939,1757123-1757124,1757126,1757128,1757132-1757133,1757167-1757168,1757175,1757180,1757182,1757195,1757271,1757278,1757347,1757353-1757354,1757363,1757374,1757399,1757406,1757408,1757495,1757499,1757527,1757997,1758072-1758075,1758078-1758079,1758292,1758369,1758423,1758425-1758427,1758430,1758486-1758487,1758499,1758556,1758582,1758584,1758588,1758842,1759019,1759224,1759227,1759252,1759274,1759513-1759516,1759611,1760022,1760300,1760397,1760446,1760454,1760640,1760648,1761057,1761491,1761498,1761500-1761501,1761550,1761625-1761626,1761628,1761682,1761740,1762123,1762168,1762172,1762182,1762202,1762288,1762296,1762348,1762353,1762374,1762541,1762608,1762710,1762766,1762769,1762944,1762947,1762953,1763167,1763179,1763232,1763259,1763271-1763272,1763276,1763319,1763370,1763372,1763375,1763377,1763393,1763412,1763430,1763477,1
 763479,1763512,1763574,1763634-1763635,1763718,1763786,1763798-1763799,1763810,1764083,1764659,1764682,1764897,1765299,1765358,1765439,1765571,1766276,1766514,1766822,1766834,1766840,1767328,1767362,1767368,1767429,1767471,1767505,1767641-1767644,1768651,1768762,1768922,1769263,1770140,1770180,1770258,1770656,1770666,1770718,1770762,1771087,1771139,1771386,1771611,1771613,1771711,1771718,1771723-1771724,1771730,1771743,1771752,1771963,1772174,1772223,1772229,1772554,1772849,1772947,1773418,1773756,1773813-1773814,1774052,1774131,1774248,1774253,1774257,1774259,1774262,1774267,1774271,1774303,1774340,1774406,1774412,1775596,1776540,1776937,1777011,1777173,1777211,1777261,1777524,1777605,1777647,1778061,1778138-1778139,1778141-1778150,1778154,1779654,1779718,1780109,1780120,1780189,1780196,1780488,1780514-1780516,1780601,1781569,1781986,1782814,1782857,1782868,1782946,1783144,1783155,1783408,1784182,1784565,1784583,1784657,1784669,1784712,1784751,1784963,1785271,1785667,1785762,178577
 4,1785823,1786070,1786123-1786124,1786127,1786129,1786341,1786378,1786844,1787250,1788241-1788242,1788248,1788323-1788324,1788328,1788741,1788747,1788764,1789051,1789400,1789415,1789442,1789733,1789735,1789744-1789745,1790119,1790180,1790183,1790376,1791527,1791557,1792460,1792468,1793468,1793487,1793498,1793502,1793514,1793712,1793736,1793746,1793771,1793819,1793980,1794674,1795278,1795298,1795305,1795813,1795893,1796275,1796693-1796694,1796806,1796836,1796873,1796878,1797197,1797338,1797344,1797354-1797355,1797516,1797678,1797692,1797694,1797748,1797828,1798280,1798371,1798379,1798384,1798390,1798395,1798419,1798505,1798507,1798509,1798533,1798546,1798561,1798977,1799115,1799126,1799164,1799190,1799194,1799285,1799368,1799893,1799895,1799916,1800136-1800138,1800202,1800309,1800390,1800791,1800816,1800981,1800984,1800988,1801686,1801688,1801709,1801717,1801774,1801778,1802083,1802403,1802475,1802639,1802796,1802820,1802828,1802833,1802836,1803446,1803451

Modified: tomcat/tc8.0.x/trunk/build.xml
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/build.xml?rev=1803507&r1=1803506&r2=1803507&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/build.xml (original)
+++ tomcat/tc8.0.x/trunk/build.xml Mon Jul 31 10:27:30 2017
@@ -574,8 +574,6 @@
         <exclude name="java/org/apache/**/parser/Token*.java" />
         <!-- Exclude simple test files -->
         <exclude name="test/webapp/bug53257/**/*.txt"/>
-        <exclude name="test/webapp/bug49nnn/bug49464-ibm850.txt"/>
-        <exclude name="test/webapp/bug49nnn/bug49464-utf8-bom.txt"/>
         <exclude name="test/webapp-fragments/WEB-INF/classes/*.txt"/>
         <exclude name="test/webresources/**"/>
         <!-- Exclude developer specific local files -->

Modified: tomcat/tc8.0.x/trunk/conf/web.xml
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/conf/web.xml?rev=1803507&r1=1803506&r2=1803507&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/conf/web.xml (original)
+++ tomcat/tc8.0.x/trunk/conf/web.xml Mon Jul 31 10:27:30 2017
@@ -48,11 +48,6 @@
   <!--   fileEncoding        Encoding to be used to read static resources   -->
   <!--                       [platform default]                             -->
   <!--                                                                      -->
-  <!--   useBomIfPresent     If a static file contains a byte order mark    -->
-  <!--                       (BOM), should this be used to determine the    -->
-  <!--                       file encoding in preference to fileEncoding.   -->
-  <!--                       [true]                                         -->
-  <!--                                                                      -->
   <!--   input               Input buffer size (in bytes) when reading      -->
   <!--                       resources to be served.  [2048]                -->
   <!--                                                                      -->

Modified: tomcat/tc8.0.x/trunk/java/org/apache/catalina/servlets/DefaultServlet.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/servlets/DefaultServlet.java?rev=1803507&r1=1803506&r2=1803507&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/servlets/DefaultServlet.java (original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/servlets/DefaultServlet.java Mon Jul 31 10:27:30 2017
@@ -31,9 +31,6 @@ import java.io.RandomAccessFile;
 import java.io.Reader;
 import java.io.StringReader;
 import java.io.StringWriter;
-import java.io.UnsupportedEncodingException;
-import java.nio.charset.Charset;
-import java.nio.charset.StandardCharsets;
 import java.security.AccessController;
 import java.util.ArrayList;
 import java.util.Collection;
@@ -73,7 +70,6 @@ import org.apache.catalina.connector.Res
 import org.apache.catalina.util.RequestUtil;
 import org.apache.catalina.util.ServerInfo;
 import org.apache.catalina.util.URLEncoder;
-import org.apache.tomcat.util.buf.B2CConverter;
 import org.apache.tomcat.util.res.StringManager;
 import org.apache.tomcat.util.security.PrivilegedGetTccl;
 import org.apache.tomcat.util.security.PrivilegedSetTccl;
@@ -236,12 +232,6 @@ public class DefaultServlet extends Http
      * the platform default is used.
      */
     protected String fileEncoding = null;
-    private Charset fileEncodingCharset = null;
-
-    /**
-     * If a file has a BOM, should that be used in preference to fileEncoding?
-     */
-    private boolean useBomIfPresent = true;
 
     /**
      * Minimum size for sendfile usage in bytes.
@@ -298,20 +288,6 @@ public class DefaultServlet extends Http
                 Integer.parseInt(getServletConfig().getInitParameter("sendfileSize")) * 1024;
 
         fileEncoding = getServletConfig().getInitParameter("fileEncoding");
-        if (fileEncoding == null) {
-            fileEncodingCharset = Charset.defaultCharset();
-            fileEncoding = fileEncodingCharset.name();
-        } else {
-            try {
-                fileEncodingCharset = B2CConverter.getCharset(fileEncoding);
-            } catch (UnsupportedEncodingException e) {
-                throw new ServletException(e);
-            }
-        }
-
-        if (getServletConfig().getInitParameter("useBomIfPresent") != null)
-            useBomIfPresent = Boolean.parseBoolean(
-                    getServletConfig().getInitParameter("useBomIfPresent"));
 
         globalXsltFile = getServletConfig().getInitParameter("globalXsltFile");
         contextXsltFile = getServletConfig().getInitParameter("contextXsltFile");
@@ -708,11 +684,11 @@ public class DefaultServlet extends Http
     /**
      * Serve the specified resource, optionally including the data content.
      *
-     * @param request       The servlet request we are processing
-     * @param response      The servlet response we are creating
-     * @param content       Should the content be included?
-     * @param inputEncoding The encoding to use if it is necessary to access the
-     *                      source as characters rather than as bytes
+     * @param request  The servlet request we are processing
+     * @param response The servlet response we are creating
+     * @param content  Should the content be included?
+     * @param encoding The encoding to use if it is necessary to access the
+     *                 source as characters rather than as bytes
      *
      * @exception IOException if an input/output error occurs
      * @exception ServletException if a servlet-specified error occurs
@@ -720,7 +696,7 @@ public class DefaultServlet extends Http
     protected void serveResource(HttpServletRequest request,
                                  HttpServletResponse response,
                                  boolean content,
-                                 String inputEncoding)
+                                 String encoding)
         throws IOException, ServletException {
 
         boolean serveContent = content;
@@ -915,7 +891,12 @@ public class DefaultServlet extends Http
             } catch (IllegalStateException e) {
                 // If it fails, we try to get a Writer instead if we're
                 // trying to serve a text file
-                if (!usingGzippedVersion && isText(contentType)) {
+                if (!usingGzippedVersion &&
+                        ((contentType == null) ||
+                                (contentType.startsWith("text")) ||
+                                (contentType.endsWith("xml")) ||
+                                (contentType.contains("/javascript")))
+                        ) {
                     writer = response.getWriter();
                     // Cannot reliably serve partial content with a Writer
                     ranges = FULL;
@@ -925,7 +906,7 @@ public class DefaultServlet extends Http
             }
         }
 
-        // Check to see if a Filter, Valve or wrapper has written some content.
+        // Check to see if a Filter, Valve of wrapper has written some content.
         // If it has, disable range requests and setting of a content length
         // since neither can be done reliably.
         ServletResponse r = response;
@@ -940,18 +921,6 @@ public class DefaultServlet extends Http
             ranges = FULL;
         }
 
-        String outputEncoding = response.getCharacterEncoding();
-        Charset charset = B2CConverter.getCharset(outputEncoding);
-        boolean conversionRequired;
-        if (isText(contentType) && !charset.equals(fileEncodingCharset)) {
-            conversionRequired = true;
-            // Conversion often results fewer/more/different bytes.
-            // That does not play nicely with range requests.
-            ranges = FULL;
-        } else {
-            conversionRequired = false;
-        }
-
         if (resource.isDirectory() ||
                 isError ||
                 ( (ranges == null || ranges.isEmpty())
@@ -971,8 +940,8 @@ public class DefaultServlet extends Http
                     log("DefaultServlet.serveFile:  contentLength=" +
                         contentLength);
                 // Don't set a content length if something else has already
-                // written to the response or if conversion will be taking place
-                if (contentWritten == 0 && !conversionRequired) {
+                // written to the response.
+                if (contentWritten == 0) {
                     response.setContentLengthLong(contentLength);
                 }
             }
@@ -988,57 +957,29 @@ public class DefaultServlet extends Http
                     // Output via a writer so can't use sendfile or write
                     // content directly.
                     if (resource.isDirectory()) {
-                        renderResult = render(getPathPrefix(request), resource, inputEncoding);
+                        renderResult = render(getPathPrefix(request), resource, encoding);
                     } else {
                         renderResult = resource.getInputStream();
-                        if (included) {
-                            // Need to make sure any BOM is removed
-                            if (!renderResult.markSupported()) {
-                                renderResult = new BufferedInputStream(renderResult);
-                            }
-                            Charset bomCharset = processBom(renderResult);
-                            if (bomCharset != null && useBomIfPresent) {
-                                inputEncoding = bomCharset.name();
-                            }
-                        }
                     }
-                    copy(resource, renderResult, writer, inputEncoding);
+                    copy(resource, renderResult, writer, encoding);
                 } else {
                     // Output is via an InputStream
                     if (resource.isDirectory()) {
-                        renderResult = render(getPathPrefix(request), resource, inputEncoding);
+                        renderResult = render(getPathPrefix(request), resource, encoding);
                     } else {
                         // Output is content of resource
-                        // Check to see if conversion is required
-                        if (conversionRequired || included) {
-                            // When including a file, we need to check for a BOM
-                            // to determine if a conversion is required, so we
-                            // might as well always convert
-                            InputStream source = resource.getInputStream();
-                            if (!source.markSupported()) {
-                                source = new BufferedInputStream(source);
-                            }
-                            Charset bomCharset = processBom(source);
-                            if (bomCharset != null && useBomIfPresent) {
-                                inputEncoding = bomCharset.name();
-                            }
-                            OutputStreamWriter osw = new OutputStreamWriter(ostream, charset);
-                            PrintWriter pw = new PrintWriter(osw);
-                            copy(resource, source, pw, inputEncoding);
-                            pw.flush();
-                        } else {
-                            if (!checkSendfile(request, response, resource, contentLength, null)) {
-                                // sendfile not possible so check if resource
-                                // content is available directly
-                                byte[] resourceBody = resource.getContent();
-                                if (resourceBody == null) {
-                                    // Resource content not available, use
-                                    // inputstream
-                                    renderResult = resource.getInputStream();
-                                } else {
-                                    // Use the resource content directly
-                                    ostream.write(resourceBody);
-                                }
+                        if (!checkSendfile(request, response, resource,
+                                contentLength, null)) {
+                            // sendfile not possible so check if resource
+                            // content is available directly
+                            byte[] resourceBody = resource.getContent();
+                            if (resourceBody == null) {
+                                // Resource content not available, use
+                                // inputstream
+                                renderResult = resource.getInputStream();
+                            } else {
+                                // Use the resource content directly
+                                ostream.write(resourceBody);
                             }
                         }
                     }
@@ -1111,81 +1052,6 @@ public class DefaultServlet extends Http
         }
     }
 
-
-    /*
-     * Code borrowed heavily from Jasper's EncodingDetector
-     */
-    private static Charset processBom(InputStream is) throws IOException {
-        // Java supported character sets do not use BOMs longer than 4 bytes
-        byte[] bom = new byte[4];
-        is.mark(bom.length);
-
-        int count = is.read(bom);
-
-        // BOMs are at least 2 bytes
-        if (count < 2) {
-            skip(is, 0);
-            return null;
-        }
-
-        // Look for two byte BOMs
-        int b0 = bom[0] & 0xFF;
-        int b1 = bom[1] & 0xFF;
-        if (b0 == 0xFE && b1 == 0xFF) {
-            skip(is, 2);
-            return StandardCharsets.UTF_16BE;
-        }
-        if (b0 == 0xFF && b1 == 0xFE) {
-            skip(is, 2);
-            return StandardCharsets.UTF_16LE;
-        }
-
-        // Remaining BOMs are at least 3 bytes
-        if (count < 3) {
-            skip(is, 0);
-            return null;
-        }
-
-        // UTF-8 is only 3-byte BOM
-        int b2 = bom[2] & 0xFF;
-        if (b0 == 0xEF && b1 == 0xBB && b2 == 0xBF) {
-            skip(is, 3);
-            return StandardCharsets.UTF_8;
-        }
-
-        if (count < 4) {
-            skip(is, 0);
-            return null;
-        }
-
-        // Look for 4-bute BOMs
-        int b3 = bom[3] & 0xFF;
-        if (b0 == 0x00 && b1 == 0x00 && b2 == 0xFE && b3 == 0xFF) {
-            return Charset.forName("UTF32-BE");
-        }
-        if (b0 == 0xFF && b1 == 0xFE && b2 == 0x00 && b3 == 0x00) {
-            return Charset.forName("UTF32-LE");
-        }
-
-        skip(is, 0);
-        return null;
-    }
-
-
-    private static void skip(InputStream is, int skip) throws IOException {
-        is.reset();
-        while (skip-- > 0) {
-            is.read();
-        }
-    }
-
-
-    private static boolean isText(String contentType) {
-        return  contentType == null || contentType.startsWith("text") ||
-                contentType.endsWith("xml") || contentType.contains("/javascript");
-    }
-
-
     private void doDirectoryRedirect(HttpServletRequest request, HttpServletResponse response)
             throws IOException {
         StringBuilder location = new StringBuilder(request.getRequestURI());
@@ -2153,11 +2019,18 @@ public class DefaultServlet extends Http
 
         IOException exception = null;
 
+        InputStream resourceInputStream = null;
+        if (resource.isFile()) {
+            resourceInputStream = resource.getInputStream();
+        } else {
+            resourceInputStream = is;
+        }
+
         Reader reader;
         if (encoding == null) {
-            reader = new InputStreamReader(is);
+            reader = new InputStreamReader(resourceInputStream);
         } else {
-            reader = new InputStreamReader(is, encoding);
+            reader = new InputStreamReader(resourceInputStream, encoding);
         }
 
         // Copy the input stream to the output stream

Modified: tomcat/tc8.0.x/trunk/test/org/apache/catalina/servlets/TestDefaultServlet.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/test/org/apache/catalina/servlets/TestDefaultServlet.java?rev=1803507&r1=1803506&r2=1803507&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/test/org/apache/catalina/servlets/TestDefaultServlet.java (original)
+++ tomcat/tc8.0.x/trunk/test/org/apache/catalina/servlets/TestDefaultServlet.java Mon Jul 31 10:27:30 2017
@@ -20,9 +20,7 @@ import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.io.OutputStreamWriter;
-import java.io.StringReader;
 import java.io.Writer;
-import java.nio.charset.StandardCharsets;
 import java.text.SimpleDateFormat;
 import java.util.Date;
 import java.util.HashMap;
@@ -31,10 +29,6 @@ import java.util.Locale;
 import java.util.Map;
 import java.util.TimeZone;
 
-import javax.servlet.RequestDispatcher;
-import javax.servlet.ServletException;
-import javax.servlet.http.HttpServlet;
-import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
 import static org.junit.Assert.assertEquals;
@@ -52,10 +46,7 @@ import org.apache.catalina.Wrapper;
 import org.apache.catalina.startup.SimpleHttpClient;
 import org.apache.catalina.startup.Tomcat;
 import org.apache.catalina.startup.TomcatBaseTest;
-import org.apache.tomcat.util.buf.B2CConverter;
 import org.apache.tomcat.util.buf.ByteChunk;
-import org.apache.tomcat.util.descriptor.web.ErrorPage;
-import org.apache.tomcat.util.http.parser.MediaType;
 import org.apache.tomcat.websocket.server.WsContextListener;
 
 public class TestDefaultServlet extends TomcatBaseTest {
@@ -121,7 +112,6 @@ public class TestDefaultServlet extends
         Wrapper defaultServlet = Tomcat.addServlet(ctxt, "default",
                 "org.apache.catalina.servlets.DefaultServlet");
         defaultServlet.addInitParameter("gzip", "true");
-        defaultServlet.addInitParameter("fileEncoding", "ISO-8859-1");
         ctxt.addServletMappingDecoded("/", "default");
 
         ctxt.addMimeMapping("html", "text/html");
@@ -233,24 +223,36 @@ public class TestDefaultServlet extends
      */
     @Test
     public void testCustomErrorPage() throws Exception {
+        File appDir = new File(getTemporaryDirectory(), "MyApp");
+        File webInf = new File(appDir, "WEB-INF");
+        addDeleteOnTearDown(appDir);
+        if (!webInf.mkdirs() && !webInf.isDirectory()) {
+            fail("Unable to create directory [" + webInf + "]");
+        }
 
-        Tomcat tomcat = getTomcatInstance();
-
-        File appDir = new File("test/webapp");
-
-        // app dir is relative to server home
-        Context ctxt = tomcat.addContext("", appDir.getAbsolutePath());
-        Wrapper defaultServlet = Tomcat.addServlet(ctxt, "default",
-                DefaultServlet.class.getName());
-        defaultServlet.addInitParameter("fileEncoding", "ISO-8859-1");
+        File webxml = new File(appDir, "WEB-INF/web.xml");
+        try (FileOutputStream fos = new FileOutputStream(webxml);
+                Writer w = new OutputStreamWriter(fos, "UTF-8");) {
+            w.write("<?xml version='1.0' encoding='UTF-8'?>\n"
+                    + "<web-app xmlns='http://java.sun.com/xml/ns/j2ee' "
+                    + " xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance'"
+                    + " xsi:schemaLocation='http://java.sun.com/xml/ns/j2ee "
+                    + " http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd'"
+                    + " version='2.4'>\n"
+                    + "<error-page>\n<error-code>404</error-code>\n"
+                    + "<location>/404.html</location>\n</error-page>\n"
+                    + "</web-app>\n");
+        }
 
-        ctxt.addServletMappingDecoded("/", "default");
-        ctxt.addMimeMapping("html", "text/html");
-        ErrorPage ep = new ErrorPage();
-        ep.setErrorCode(404);
-        ep.setLocation("/404.html");
-        ctxt.addErrorPage(ep);
+        File error404 = new File(appDir, "404.html");
+        try (FileOutputStream fos = new FileOutputStream(error404);
+                Writer w = new OutputStreamWriter(fos, "ISO-8859-1")) {
+            w.write("It is 404.html");
+        }
 
+        Tomcat tomcat = getTomcatInstance();
+        String contextPath = "/MyApp";
+        tomcat.addWebapp(null, contextPath, appDir.getAbsolutePath());
         tomcat.start();
 
         TestCustomErrorClient client =
@@ -396,212 +398,4 @@ public class TestDefaultServlet extends
             return true;
         }
     }
-
-    @Test
-    public void testEncodingIncludeIbm850StreamOutIso88591() throws Exception {
-        doTestEncodingFileIbm850(false, "ISO-8859-1");
-    }
-
-    @Test
-    public void testEncodingIncludeIbm850WriterOutIso88591() throws Exception {
-        doTestEncodingFileIbm850(true, "ISO-8859-1");
-    }
-
-    @Test
-    public void testEncodingIncludeIbm850StreamOutUtf8() throws Exception {
-        doTestEncodingFileIbm850(false, "UTF-8");
-    }
-
-    @Test
-    public void testEncodingIncludeIbm850WriterOutUtf8() throws Exception {
-        doTestEncodingFileIbm850(true, "UTF-8");
-    }
-
-    @Test
-    public void testEncodingIncludeIbm850StreamOutIbm850() throws Exception {
-        doTestEncodingFileIbm850(false, "IBM850");
-    }
-
-    @Test
-    public void testEncodingIncludeIbm850WriterOutIbm850() throws Exception {
-        doTestEncodingFileIbm850(false, "IBM850");
-    }
-
-    @Test
-    public void testEncodingIncludeUtf8BomStreamOutIso88591() throws Exception {
-        doTestEncodingFileUtf8Bom(false, "ISO-8859-1");
-    }
-
-    @Test
-    public void testEncodingIncludeUtf8BomWriterOutIso88591() throws Exception {
-        doTestEncodingFileUtf8Bom(true, "ISO-8859-1");
-    }
-
-    @Test
-    public void testEncodingIncludeUtf8BomStreamOutUtf8() throws Exception {
-        doTestEncodingFileUtf8Bom(false, "UTF-8");
-    }
-
-    @Test
-    public void testEncodingIncludeUtf8BomWriterOutUtf8() throws Exception {
-        doTestEncodingFileUtf8Bom(true, "UTF-8");
-    }
-
-    @Test
-    public void testEncodingIncludeUtf8BomStreamOutIbm850() throws Exception {
-        doTestEncodingFileUtf8Bom(false, "IBM850");
-    }
-
-    @Test
-    public void testEncodingIncludeUtf8BomWriterOutIbm850() throws Exception {
-        doTestEncodingFileUtf8Bom(false, "IBM850");
-    }
-
-    @Test
-    public void testEncodingIncludeUtf8BomOverrideStreamOutIso88591() throws Exception {
-        doTestEncodingFileUtf8BomOverride(false, "ISO-8859-1");
-    }
-
-    @Test
-    public void testEncodingIncludeUtf8BomOverrideWriterOutIso88591() throws Exception {
-        doTestEncodingFileUtf8BomOverride(true, "ISO-8859-1");
-    }
-
-    @Test
-    public void testEncodingIncludeUtf8BomOverrideStreamOutUtf8() throws Exception {
-        doTestEncodingFileUtf8BomOverride(false, "UTF-8");
-    }
-
-    @Test
-    public void testEncodingIncludeUtf8BomOverrideWriterOutUtf8() throws Exception {
-        doTestEncodingFileUtf8BomOverride(true, "UTF-8");
-    }
-
-    @Test
-    public void testEncodingIncludeUtf8BomOverrideStreamOutIbm850() throws Exception {
-        doTestEncodingFileUtf8BomOverride(false, "IBM850");
-    }
-
-    @Test
-    public void testEncodingIncludeUtf8BomOverrideWriterOutIbm850() throws Exception {
-        doTestEncodingFileUtf8BomOverride(false, "IBM850");
-    }
-
-    private void doTestEncodingFileIbm850(boolean useWriter, String outputEncoding)
-            throws Exception {
-        doTestEncoding("/bug49nnn/bug49464-ibm850.txt", "IBM850", useWriter, outputEncoding);
-    }
-
-    private void doTestEncodingFileUtf8Bom(boolean useWriter, String outputEncoding)
-            throws Exception {
-        doTestEncoding("/bug49nnn/bug49464-utf8-bom.txt", "UTF-8", useWriter, outputEncoding);
-    }
-
-    private void doTestEncodingFileUtf8BomOverride(boolean useWriter, String outputEncoding)
-            throws Exception {
-        doTestEncoding("/bug49nnn/bug49464-utf8-bom.txt", "IBM850", useWriter, outputEncoding);
-    }
-
-    private void doTestEncoding(String includePath, String inputEncoding, boolean useWriter,
-            String outputEncoding) throws Exception {
-        Tomcat tomcat = getTomcatInstance();
-
-        File appDir = new File("test/webapp");
-
-        Context ctxt = tomcat.addContext("", appDir.getAbsolutePath());
-
-        Wrapper defaultServlet = Tomcat.addServlet(ctxt, "default", DefaultServlet.class.getName());
-        defaultServlet.addInitParameter("fileEncoding", inputEncoding);
-        ctxt.addServletMappingDecoded("/", "default");
-
-        Tomcat.addServlet(ctxt, "encoding",
-                new EncodingServlet(outputEncoding, includePath, useWriter));
-        ctxt.addServletMappingDecoded("/test", "encoding");
-
-        tomcat.start();
-
-        final ByteChunk res = new ByteChunk();
-        Map<String,List<String>> headers = new HashMap<>();
-
-        int rc = getUrl("http://localhost:" + getPort() + "/test", res, headers);
-
-        Assert.assertEquals(HttpServletResponse.SC_OK, rc);
-        List<String> values = headers.get("Content-Type");
-        if (values.size() == 1) {
-            MediaType mediaType = MediaType.parseMediaType(new StringReader(values.get(0)));
-            String charset = mediaType.getCharset();
-            if (charset == null) {
-                res.setCharset(StandardCharsets.ISO_8859_1);
-            } else {
-                res.setCharset(B2CConverter.getCharset(charset));
-            }
-        } else {
-            res.setCharset(StandardCharsets.ISO_8859_1);
-        }
-        Assert.assertEquals("\u00bd", res.toString());
-    }
-
-    @Test
-    public void testEncodingDirect() throws Exception {
-        Tomcat tomcat = getTomcatInstance();
-
-        File appDir = new File("test/webapp");
-
-        Context ctxt = tomcat.addContext("", appDir.getAbsolutePath());
-
-        Wrapper defaultServlet = Tomcat.addServlet(ctxt, "default", DefaultServlet.class.getName());
-        defaultServlet.addInitParameter("fileEncoding", "IBM850");
-        ctxt.addServletMappingDecoded("/", "default");
-
-        tomcat.start();
-
-        final ByteChunk res = new ByteChunk();
-        Map<String,List<String>> headers = new HashMap<>();
-
-        int rc = getUrl("http://localhost:" + getPort() + "/bug49nnn/bug49464-ibm850.txt",
-                res, headers);
-
-        Assert.assertEquals(HttpServletResponse.SC_OK, rc);
-        List<String> values = headers.get("Content-Type");
-        if (values != null && values.size() == 1) {
-            MediaType mediaType = MediaType.parseMediaType(new StringReader(values.get(0)));
-            String charset = mediaType.getCharset();
-            if (charset == null) {
-                res.setCharset(StandardCharsets.ISO_8859_1);
-            } else {
-                res.setCharset(B2CConverter.getCharset(charset));
-            }
-        } else {
-            res.setCharset(StandardCharsets.ISO_8859_1);
-        }
-        Assert.assertEquals("\u00bd", res.toString());
-    }
-
-    private static class EncodingServlet extends HttpServlet {
-
-        private static final long serialVersionUID = 1L;
-
-        private final String outputEncoding;
-        private final String includeTarget;
-        private final boolean useWriter;
-
-        public EncodingServlet(String outputEncoding, String includeTarget, boolean useWriter) {
-            this.outputEncoding = outputEncoding;
-            this.includeTarget = includeTarget;
-            this.useWriter = useWriter;
-        }
-
-        @Override
-        protected void doGet(HttpServletRequest req, HttpServletResponse resp)
-                throws ServletException, IOException {
-            resp.setContentType("text/plain");
-            resp.setCharacterEncoding(outputEncoding);
-            if (useWriter) {
-                resp.getWriter();
-            }
-            resp.flushBuffer();
-            RequestDispatcher rd = req.getRequestDispatcher(includeTarget);
-            rd.include(req, resp);
-        }
-    }
 }

Modified: tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml?rev=1803507&r1=1803506&r2=1803507&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml Mon Jul 31 10:27:30 2017
@@ -48,11 +48,6 @@
   <subsection name="Catalina">
     <changelog>
       <fix>
-        <bug>49464</bug>: Improve the Default Servlet's handling of static files
-        when the file encoding is not compatible with the required response
-        encoding. (markt)
-      </fix>
-      <fix>
         Additional permission for deleting files is granted to JULI as it is
         required by FileHandler when running under a Security Manager. The
         thread that cleans the log files is marked as daemon thread.

Modified: tomcat/tc8.0.x/trunk/webapps/docs/default-servlet.xml
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/webapps/docs/default-servlet.xml?rev=1803507&r1=1803506&r2=1803507&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/webapps/docs/default-servlet.xml (original)
+++ tomcat/tc8.0.x/trunk/webapps/docs/default-servlet.xml Mon Jul 31 10:27:30 2017
@@ -157,10 +157,6 @@ directory listings are disabled and debu
         File encoding to be used when reading static resources.
         [platform default]
   </property>
-  <property name="useBomIfPresent">
-        If a static file contains a byte order mark (BOM), should this be used
-        to determine the file encoding in preference to fileEncoding. [true]
-  </property>
   <property name="sendfileSize">
         If the connector used supports sendfile, this represents the minimal
         file size in KB for which sendfile will be used. Use a negative value



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