Author: markt
Date: Tue Mar 13 23:29:29 2018
New Revision: 1826690

URL: http://svn.apache.org/viewvc?rev=1826690&view=rev
Log:
Fix https://bz.apache.org/bugzilla/show_bug.cgi?id=51195
Avoid a false positive report of a web application memory leak by clearing 
ObjectStreamClass$Caches of classes loaded by the web application when the web 
application is stopped.

Modified:
    tomcat/tc8.0.x/trunk/   (props changed)
    tomcat/tc8.0.x/trunk/bin/catalina.bat
    tomcat/tc8.0.x/trunk/bin/catalina.sh
    tomcat/tc8.0.x/trunk/bin/service.bat
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/StandardContext.java
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/loader/LocalStrings.properties
    
tomcat/tc8.0.x/trunk/java/org/apache/catalina/loader/WebappClassLoaderBase.java
    tomcat/tc8.0.x/trunk/res/tomcat.nsi
    tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml
    tomcat/tc8.0.x/trunk/webapps/docs/config/context.xml
    tomcat/tc8.0.x/trunk/webapps/docs/setup.xml

Propchange: tomcat/tc8.0.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Mar 13 23:29:29 2018
@@ -1,2 +1,2 @@
 
/tomcat/tc8.5.x/trunk:1735042,1737966,1743139-1743140,1744151,1747537,1747925,1748002,1754614,1754643,1762124,1762183,1762203,1763792,1772948,1777014,1779719,1782037,1782240,1782386-1782387,1785669,1786845,1788249,1788324,1788905,1789216,1789335,1791528,1791558,1796697-1796698,1797521,1798543,1799162,1800143,1801693,1802805,1806799,1807079-1807080,1808880,1809831,1812093,1812143,1812145,1812319,1814975,1815945,1815956,1820207,1822186,1823164,1823497,1824960
-/tomcat/trunk:1636524,1637156,1637176,1637188,1637331,1637684,1637695,1637890,1637892,1638720-1638725,1639653,1640010,1640083-1640084,1640088,1640275,1640322,1640347,1640361,1640365,1640403,1640410,1640652,1640655-1640658,1640688,1640700-1640883,1640903,1640976,1640978,1641000,1641026,1641038-1641039,1641051-1641052,1641058,1641064,1641300,1641369,1641374,1641380,1641486,1641634,1641656-1641692,1641704,1641707-1641718,1641720-1641722,1641735,1641981,1642233,1642280,1642554,1642564,1642595,1642606,1642668,1642679,1642697,1642699,1642766,1643002,1643045,1643054-1643055,1643066,1643121,1643128,1643206,1643209-1643210,1643216,1643249,1643270,1643283,1643309-1643310,1643323,1643365-1643366,1643370-1643371,1643465,1643474,1643536,1643570,1643634,1643649,1643651,1643654,1643675,1643731,1643733-1643734,1643761,1643766,1643814,1643937,1643963,1644017,1644169,1644201-1644203,1644321,1644323,1644516,1644523,1644529,1644535,1644730,1644768,1644784-1644785,1644790,1644793,1644815,1644884,1644886
 
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2820,1802828,1802833,1802836,1803205,1803446,1803451,1803616,1803828,1803901,1804306,1804461-1804462,1804501,1804506-1804507,1804890,1804906,1805613,1805637,1805645,1805652,1805782,1806736,1806794,1806798,1806801,1806807,1806966,1806973,1807004,1807205-1807206,1807455,1807686,1807698,1808116,1808156,1808266,1808466,1809011,1809025,1809141,1809143-1809144,1809146,1809212,1809214,1809239,1809248,1809265,1809434,1809669,1809674,1809684,1809711,1809908,1809922,1810106,1810300,1811119,1811122,1811132,1811137,1811198-1811201,1811203-1811206,1811220,1811235,1811246,1811328,1811560,1811704,1811837-1811839,1811861,1811932,1812088,1812092,1812103,1812107,1812113,1812129,1812134-1812136,1812184,1812315,1812401,1812617,1814825,1814973,1814980,1815066,1815069,1815208,1815215,1815319,1815325,1815451,1815459,1815505,1815615,1815903,1815944,1815954,1816083,1816120,1816128,1816140,1816147,1816157,1816338,1816563,1816647,1817089,1817092,1817096,1817104,1817126,1817136-1817137,1817196,1817223,1817298,
 
1817305,1817495,1817517,1817520,1818179,1818184,1820003,1820138,1820153,1820194,1820196-1820197,1820202,1820206,1820222,1820272,1820279,1820302,1820634,1820701,1820705,1820932,1821157,1821167,1821197-1821203,1821225,1821234-1821235,1821251,1821293,1821328,1821381,1821490,1821708,1822109,1822111,1822116,1822232,1822945-1822946,1823006-1823007,1823111,1823161,1823306,1823310,1823337,1823481,1823492,1823495,1823540,1824297,1824311,1824323,1824357,1824766,1824774,1824892,1824901,1824959,1825054,1825713,1825738,1825872,1826361,1826375
+/tomcat/trunk:1636524,1637156,1637176,1637188,1637331,1637684,1637695,1637890,1637892,1638720-1638725,1639653,1640010,1640083-1640084,1640088,1640275,1640322,1640347,1640361,1640365,1640403,1640410,1640652,1640655-1640658,1640688,1640700-1640883,1640903,1640976,1640978,1641000,1641026,1641038-1641039,1641051-1641052,1641058,1641064,1641300,1641369,1641374,1641380,1641486,1641634,1641656-1641692,1641704,1641707-1641718,1641720-1641722,1641735,1641981,1642233,1642280,1642554,1642564,1642595,1642606,1642668,1642679,1642697,1642699,1642766,1643002,1643045,1643054-1643055,1643066,1643121,1643128,1643206,1643209-1643210,1643216,1643249,1643270,1643283,1643309-1643310,1643323,1643365-1643366,1643370-1643371,1643465,1643474,1643536,1643570,1643634,1643649,1643651,1643654,1643675,1643731,1643733-1643734,1643761,1643766,1643814,1643937,1643963,1644017,1644169,1644201-1644203,1644321,1644323,1644516,1644523,1644529,1644535,1644730,1644768,1644784-1644785,1644790,1644793,1644815,1644884,1644886
 
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592,1657607,1657609,1657682,1657907,1658207,1658734,1658781,1658790,1658799,1658802,1658804,1658833,1658840,1658966,1659043,1659053,1659059,1659174,1659184,1659188-1659189,1659216,1659263,1659293,1659304,1659306-1659307,1659382,1659384,1659428,1659471,1659486,1659505,1659516,1659521,1659524,1659559,1659562,1659803,1659806,1659814,1659833,1659862,1659905,1659919,1659948,1659967,1659983-1659984,1660060,1660074,1660077,1660133,1660168,1660331-1660332,1660353,1660358,1660924,1661386,1661770,1661867,1661972,1661990,1662200,1662308-1662309,1662548,1662614,1662696,1662736,1662985,1662988-1662989,1663264,1663277,1663298,1663534,1663562,1663676,1663715,1663754,1663768,1663772,1663781,1663893,1663995,1664143,1664163,1664174,1664301,1664317,1664347,1664657,1664659,1664710,1664863-1664864,1664866,1665085,1665292,1665559,1665653,1665661,1665672,1665694,1665697,1665736,1665779,1665976-1665977,1665980-1665981,1665985-1665986,1665989,1665998,1666004,1666008,1666013,1666017,1666024,1666116,1666386-1
 
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
 
7,1684549-1684550,1685556,1685591,1685739,1685744,1685772,1685816,1685826,1685891,1687242,1687261,1687268,1687340,1687544,1687549,1687551,1688563,1688841,1688878,1688885,1688896,1688901,1689345-1689346,1689357,1689656,1689675-1689677,1689679,1689687,1689825,1689856,1689918,1690011,1690021,1690054,1690080,1690209,1691134,1691487,1691813,1692744-1692747,1692849,1692894,1692896,1693088,1693105,1693429,1693461,1694058,1694111,1694290,1694501,1694548,1694658,1694660,1694788,1694872,1694878,1695006,1695354,1695371,1695379,1695459,1695582,1695706,1695778,1696199,1696272,1696280,1696366-1696368,1696378,1696390,1696392,1696467,1698212,1698220,1700607,1700870,1700896,1700977,1701093,1701113,1701123,1701213,1701607,1701666,1701673,1701760-1701761,1701765,1701940,1702092,1702183,1702244,1702246,1702250,1702268,1702313,1702531,1702630-1702635,1702637-1702638,1702640,1702647,1702660,1702662,1702665-1702666,1702668,1702671-1702673,1702675-1702676,1702680,1702722,1702778,1702795,1702862,1702881,170
 
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,
 
1710945,1711006,1711016,1711022,1711026,1712163,1712225,1712228,1712233,1712250,1712254,1712489,1712547-1712548,1712588,1712617,1712645,1712654,1712695,1712765-1712766,1712771,1712775,1712859,1712876,1712898,1712902,1712905,1712912,1712974,1713129,1713168,1713184,1713285,1713362,1713397,1713446,1713612,1713618,1713871,1713931,1713975,1713987,1713992,1713997,1714002,1714012,1714019,1714054,1714521,1714535,1714537,1715168,1715188,1715206,1715413,1715415,1715434,1715510-1715512,1715514-1715515,1715517-1715519,1715521,1715633,1715661,1715682,1715965,1716213-1716214,1716258,1716269,1716347,1716354,1716364,1716413,1716420,1716511,1716543,1716640,1716644,1716856,1716858,1716881-1716882,1716886,1716894,1717085,1717225,1717233,1717252,1717264,1717282,1717286,1717290,1717385,1717416,1717418,1717445,1717515,1717520,1717528,1717965,1717967-1717968,1717979,1718022,1718308,1718523,1718794,1718796,1718834,1718836-1718838,1719276,1719278,1719291,1719315,1719332,1719334,1719340,1719346,1719441,17194
 
46,1719488,1719909-1719910,1720200,1720234,1720394,1720439,1720445,1720448,1720462,1720506,1720652,1720654-1720655,1720711,1720752,1720769,1720776,1720804,1720815,1721303,1721307,1721311,1721314,1721447,1721528,1721539,1721812,1721817,1721830,1721860,1721866,1721881,1721887,1722205,1722292,1722399,1722453,1722455,1722522,1722526,1722532,1722548,1722574,1722583,1722585,1722799,1722807,1722824,1722828-1722829,1722831,1722859,1722902,1722905,1722923,1722939,1722945,1722996,1723068,1723127,1723155,1723250,1723316-1723318,1723368,1723371,1723375,1723377,1723380,1723410,1723414,1723437,1723484,1723486,1723493-1723494,1723500,1723552,1723554,1723683,1723707,1723736,1723806,1724012,1724232,1724252,1724325,1724427-1724428,1724433,1724673,1724788,1724863,1724900,1724997,1725113,1725126-1725127,1725150,1725165,1725183,1725199,1725202,1725204,1725207,1725263-1725264,1725266,1725278,1725282,1725405,1725599,1725601,1725635,1725646,1725649-1725652,1725694,1725696-1725697,1725816,1725851,1725906-17
 
25907,1725910,1725914,1725920,1725926,1726177,1726202,1726628,1726632,1726637,1726639,1726648,1726651,1726654,1726669,1726676,1726803,1726925-1726926,1726972-1726973,1726991,1727162,1727670,1727675,1727899,1727914,1727917,1728091,1728138,1728433,1728448,1728664,1728677,1729185,1729361,1729625,1729730,1730101-1730102,1730137,1730612,1730946-1730975,1731008,1731055,1731079,1731283,1731856,1731882,1731946-1731958,1731976-1731983,1732359,1732488,1732900-1733448,1733602,1733617-1733963,1733978,1734113,1734128,1734192,1734258,1734301,1734418-1734454,1734466-1734512,1734522,1734592,1734594,1734597,1735041,1735577,1736162,1736209,1736280,1736646,1736836,1737119,1737280,1737339,1737632,1737664,1737715,1737834,1737903,1737959,1738014-1738015,1738018,1738022,1738039,1738043,1738059-1738060,1738147,1738149,1738174-1738175,1738643,1738850,1738982,1738996,1739079-1739081,1739087,1739113,1739153,1739172,1739176,1739474,1739492,1739726,1739762,1739775,1739814,1739817-1739818,1739975,1740131,1740324
 
,1740465,1740509,1740520,1740535,1740707,1740803,1740810,1740980,1740991,1741015,1741147,1741173,1741181,1741190,1741202,1741208,1741213,1741221,1741225,1741232,1741409,1741677,1741892,1741896,1742071,1742090,1742093,1742101,1742105,1742111,1742146,1742166,1742181,1742184,1742187,1742246,1742248-1742251,1742263-1742264,1742268,1742276,1742369,1742387,1742448,1742919,1742975,1742984,1742986,1743117,1743124-1743125,1743134,1743425,1743554,1743679,1743696-1743697,1743700-1743701,1744058,1744064-1744065,1744125,1744194,1744229,1744270,1744323,1744432,1744684,1744697,1744705,1744760,1744786,1745227,1745337,1746306,1746427,1746473,1746620,1746649,1746724,1746939,1746989,1747536,1747924,1748001,1748547,1748629,1748715,1749287,1749328,1749665-1749666,1750015,1750056,1750899,1750975,1750995,1751061,1751097,1752212,1752737,1753078,1753080,1753358,1753363,1754111,1754140-1754141,1754281,1754310,1754445,1754467,1754494,1754496,1754528,1754532-1754533,1754613,1754714,1754874,1754941,1754944,1754
 
950-1754951,1755214,1755224,1755230,1755646-1755647,1755650,1755675,1755693,1755717,1755884,1755890,1755918-1755919,1755942,1756013,1756019,1756039,1756408,1756410,1756898,1756939,1757123-1757124,1757126,1757128,1757132-1757133,1757167-1757168,1757175,1757180,1757182,1757195,1757271,1757278,1757347,1757353-1757354,1757363,1757374,1757399,1757406,1757408,1757495,1757499,1757527,1757997,1758072-1758075,1758078-1758079,1758292,1758369,1758423,1758425-1758427,1758430,1758486-1758487,1758499,1758556,1758582,1758584,1758588,1758842,1759019,1759224,1759227,1759252,1759274,1759513-1759516,1759611,1760022,1760300,1760397,1760446,1760454,1760640,1760648,1761057,1761491,1761498,1761500-1761501,1761550,1761625-1761626,1761628,1761682,1761740,1762123,1762168,1762172,1762182,1762202,1762288,1762296,1762348,1762353,1762374,1762541,1762608,1762710,1762766,1762769,1762944,1762947,1762953,1763167,1763179,1763232,1763259,1763271-1763272,1763276,1763319,1763370,1763372,1763375,1763377,1763393,1763412,1
 
763430,1763477,1763479,1763512,1763574,1763634-1763635,1763718,1763786,1763798-1763799,1763810,1764083,1764659,1764682,1764897,1765299,1765358,1765439,1765571,1766276,1766514,1766822,1766834,1766840,1767328,1767362,1767368,1767429,1767471,1767505,1767641-1767644,1768651,1768762,1768922,1769263,1770140,1770180,1770258,1770656,1770666,1770718,1770762,1771087,1771139,1771386,1771611,1771613,1771711,1771718,1771723-1771724,1771730,1771743,1771752,1771963,1772174,1772223,1772229,1772554,1772849,1772947,1773418,1773756,1773813-1773814,1774052,1774131,1774248,1774253,1774257,1774259,1774262,1774267,1774271,1774303,1774340,1774406,1774412,1775596,1776540,1776937,1777011,1777173,1777211,1777261,1777524,1777605,1777647,1778061,1778138-1778139,1778141-1778150,1778154,1779654,1779718,1780109,1780120,1780189,1780196,1780488,1780514-1780516,1780601,1781569,1781986,1782814,1782857,1782868,1782946,1783144,1783155,1783408,1784182,1784565,1784583,1784657,1784669,1784712,1784751,1784963,1785271,178566
 
7,1785762,1785774,1785823,1786070,1786123-1786124,1786127,1786129,1786341,1786378,1786844,1787250,1788224,1788241-1788242,1788248,1788323-1788324,1788328,1788741,1788747,1788764,1789051,1789400,1789415,1789442,1789733,1789735,1789744-1789745,1790119,1790180,1790183,1790376,1790443,1791027-1791028,1791050,1791527,1791557,1792460,1792468,1793468,1793487,1793498,1793502,1793514,1793712,1793736,1793746,1793771,1793819,1793980,1794674,1795278,1795298,1795305,1795813,1795893,1796275,1796693-1796694,1796806,1796836,1796873,1796878,1797197,1797338,1797344,1797354-1797355,1797516,1797678,1797692,1797694,1797748,1797828,1798280,1798371,1798379,1798384,1798390,1798395,1798419,1798505,1798507,1798509,1798533,1798546,1798561,1798977,1799115,1799126,1799164,1799190,1799194,1799285,1799368,1799893,1799895,1799916,1800136-1800138,1800202,1800309,1800390,1800617,1800791,1800816,1800981,1800984,1800988,1801686,1801688,1801709,1801717,1801774,1801778,1802083,1802403,1802475,1802490,1802639,1802796,180
 
2820,1802828,1802833,1802836,1803205,1803446,1803451,1803616,1803828,1803901,1804306,1804461-1804462,1804501,1804506-1804507,1804890,1804906,1805613,1805637,1805645,1805652,1805782,1806736,1806794,1806798,1806801,1806807,1806966,1806973,1807004,1807205-1807206,1807455,1807686,1807698,1808116,1808156,1808266,1808466,1809011,1809025,1809141,1809143-1809144,1809146,1809212,1809214,1809239,1809248,1809265,1809434,1809669,1809674,1809684,1809711,1809908,1809922,1810106,1810300,1811119,1811122,1811132,1811137,1811198-1811201,1811203-1811206,1811220,1811235,1811246,1811328,1811560,1811704,1811837-1811839,1811861,1811932,1812088,1812092,1812103,1812107,1812113,1812129,1812134-1812136,1812184,1812315,1812401,1812617,1814825,1814973,1814980,1815066,1815069,1815208,1815215,1815319,1815325,1815451,1815459,1815505,1815615,1815903,1815944,1815954,1816083,1816120,1816128,1816140,1816147,1816157,1816338,1816563,1816647,1817089,1817092,1817096,1817104,1817126,1817136-1817137,1817196,1817223,1817298,
 
1817305,1817495,1817517,1817520,1818179,1818184,1820003,1820138,1820153,1820194,1820196-1820197,1820202,1820206,1820222,1820272,1820279,1820302,1820634,1820701,1820705,1820932,1821157,1821167,1821197-1821203,1821225,1821234-1821235,1821251,1821293,1821328,1821381,1821490,1821708,1822109,1822111,1822116,1822232,1822945-1822946,1823006-1823007,1823111,1823161,1823306,1823310,1823337,1823481,1823492,1823495,1823540,1824297,1824311,1824323,1824357,1824766,1824774,1824892,1824901,1824959,1825054,1825713,1825738,1825872,1826361,1826375,1826688

Modified: tomcat/tc8.0.x/trunk/bin/catalina.bat
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/bin/catalina.bat?rev=1826690&r1=1826689&r2=1826690&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/bin/catalina.bat (original)
+++ tomcat/tc8.0.x/trunk/bin/catalina.bat Tue Mar 13 23:29:29 2018
@@ -222,6 +222,11 @@ if not "%LOGGING_MANAGER%" == "" goto no
 set 
LOGGING_MANAGER=-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
 :noJuliManager
 
+rem Configure JAVA 9 specific start-up parameters
+set "JDK_JAVA_OPTIONS=%JDK_JAVA_OPTIONS% 
--add-opens=java.base/java.lang=ALL-UNNAMED"
+set "JDK_JAVA_OPTIONS=%JDK_JAVA_OPTIONS% 
--add-opens=java.base/java.io=ALL-UNNAMED"
+set "JDK_JAVA_OPTIONS=%JDK_JAVA_OPTIONS% 
--add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED"
+
 rem Java 9 no longer supports the java.endorsed.dirs
 rem system property. Only try to use it if
 rem JAVA_ENDORSED_DIRS was explicitly set
@@ -235,10 +240,6 @@ if not exist "%CATALINA_HOME%\endorsed"
 set ENDORSED_PROP=java.endorsed.dirs
 :doneEndorsed
 
-rem Configure JAVA 9 specific start-up parameters
-set "JDK_JAVA_OPTIONS=%JDK_JAVA_OPTIONS% 
--add-opens=java.base/java.lang=ALL-UNNAMED"
-set "JDK_JAVA_OPTIONS=%JDK_JAVA_OPTIONS% 
--add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED"
-
 rem ----- Execute The Requested Command ---------------------------------------
 
 echo Using CATALINA_BASE:   "%CATALINA_BASE%"

Modified: tomcat/tc8.0.x/trunk/bin/catalina.sh
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/bin/catalina.sh?rev=1826690&r1=1826689&r2=1826690&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/bin/catalina.sh (original)
+++ tomcat/tc8.0.x/trunk/bin/catalina.sh Tue Mar 13 23:29:29 2018
@@ -294,6 +294,7 @@ fi
 
 # Add the JAVA 9 specific start-up parameters required by Tomcat
 JDK_JAVA_OPTIONS="$JDK_JAVA_OPTIONS 
--add-opens=java.base/java.lang=ALL-UNNAMED"
+JDK_JAVA_OPTIONS="$JDK_JAVA_OPTIONS --add-opens=java.base/java.io=ALL-UNNAMED"
 JDK_JAVA_OPTIONS="$JDK_JAVA_OPTIONS 
--add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED"
 export JDK_JAVA_OPTIONS
 

Modified: tomcat/tc8.0.x/trunk/bin/service.bat
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/bin/service.bat?rev=1826690&r1=1826689&r2=1826690&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/bin/service.bat (original)
+++ tomcat/tc8.0.x/trunk/bin/service.bat Tue Mar 13 23:29:29 2018
@@ -180,7 +180,7 @@ if not "%CATALINA_HOME%" == "%CATALINA_B
     --StartParams start ^
     --StopParams stop ^
     --JvmOptions 
"-Dcatalina.home=%CATALINA_HOME%;-Dcatalina.base=%CATALINA_BASE%;-D%ENDORSED_PROP%=%CATALINA_HOME%\endorsed;-Djava.io.tmpdir=%CATALINA_BASE%\temp;-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager;-Djava.util.logging.config.file=%CATALINA_BASE%\conf\logging.properties"
 ^
-    --JvmOptions9 
"--add-opens=java.base/java.lang=ALL-UNNAMED#--add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED"
 ^
+    --JvmOptions9 
"--add-opens=java.base/java.lang=ALL-UNNAMED#--add-opens=java.base/java.io=ALL-UNNAMED#--add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED"
 ^
     --JvmMs 128 ^
     --JvmMx 256
 if not errorlevel 1 goto installed

Modified: 
tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/StandardContext.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/StandardContext.java?rev=1826690&r1=1826689&r2=1826690&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/StandardContext.java 
(original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/StandardContext.java Tue 
Mar 13 23:29:29 2018
@@ -776,6 +776,12 @@ public class StandardContext extends Con
     private boolean renewThreadsWhenStoppingContext = true;
 
     /**
+     * Should Tomcat attempt to clear references to classes loaded by the web
+     * application class loader from the ObjectStreamClass caches?
+     */
+    private boolean clearReferencesObjectStreamClassCaches = true;
+
+    /**
      * Should the effective web.xml be logged when the context starts?
      */
     private boolean logEffectiveWebXml = false;
@@ -2724,6 +2730,23 @@ public class StandardContext extends Con
                 this.renewThreadsWhenStoppingContext);
     }
 
+
+    public boolean getClearReferencesObjectStreamClassCaches() {
+        return clearReferencesObjectStreamClassCaches;
+    }
+
+
+    public void setClearReferencesObjectStreamClassCaches(
+            boolean clearReferencesObjectStreamClassCaches) {
+        boolean oldClearReferencesObjectStreamClassCaches =
+                this.clearReferencesObjectStreamClassCaches;
+        this.clearReferencesObjectStreamClassCaches = 
clearReferencesObjectStreamClassCaches;
+        support.firePropertyChange("clearReferencesObjectStreamClassCaches",
+                oldClearReferencesObjectStreamClassCaches,
+                this.clearReferencesObjectStreamClassCaches);
+    }
+
+
     public Boolean getFailCtxIfServletStartFails() {
         return failCtxIfServletStartFails;
     }
@@ -5183,6 +5206,8 @@ public class StandardContext extends Con
                         getClearReferencesStopTimerThreads());
                 
setClassLoaderProperty("clearReferencesHttpClientKeepAliveThread",
                         getClearReferencesHttpClientKeepAliveThread());
+                
setClassLoaderProperty("clearReferencesObjectStreamClassCaches",
+                        getClearReferencesObjectStreamClassCaches());
 
                 // By calling unbindThread and bindThread in a row, we setup 
the
                 // current Thread CCL to be the webapp classloader

Modified: 
tomcat/tc8.0.x/trunk/java/org/apache/catalina/loader/LocalStrings.properties
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/loader/LocalStrings.properties?rev=1826690&r1=1826689&r2=1826690&view=diff
==============================================================================
--- 
tomcat/tc8.0.x/trunk/java/org/apache/catalina/loader/LocalStrings.properties 
(original)
+++ 
tomcat/tc8.0.x/trunk/java/org/apache/catalina/loader/LocalStrings.properties 
Tue Mar 13 23:29:29 2018
@@ -22,6 +22,7 @@ webappClassLoader.jdbcRemoveFailed=JDBC
 webappClassLoader.stopped=Illegal access: this web application instance has 
been stopped already. Could not load [{0}]. The following stack trace is thrown 
for debugging purposes as well as to attempt to terminate the thread which 
caused the illegal access.
 webappClassLoader.readError=Resource read error: Could not load {0}.
 webappClassLoader.clearJdbc=The web application [{0}] registered the JDBC 
driver [{1}] but failed to unregister it when the web application was stopped. 
To prevent a memory leak, the JDBC Driver has been forcibly unregistered.
+webappClassLoader.clearObjectStreamClassCachesFail=Failed to clear soft 
references from ObjectStreamClass$Caches for web application [{0}]
 webappClassLoader.clearReferencesResourceBundlesCount=Removed [{0}] 
ResourceBundle references from the cache for web application [{1}]
 webappClassLoader.clearReferencesResourceBundlesFail=Failed to clear 
ResourceBundle references for web application [{0}]
 webappClassLoader.clearRmi=Found RMI Target with stub class class [{0}] and 
value [{1}]. This RMI Target has been forcibly removed to prevent a memory leak.

Modified: 
tomcat/tc8.0.x/trunk/java/org/apache/catalina/loader/WebappClassLoaderBase.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/loader/WebappClassLoaderBase.java?rev=1826690&r1=1826689&r2=1826690&view=diff
==============================================================================
--- 
tomcat/tc8.0.x/trunk/java/org/apache/catalina/loader/WebappClassLoaderBase.java 
(original)
+++ 
tomcat/tc8.0.x/trunk/java/org/apache/catalina/loader/WebappClassLoaderBase.java 
Tue Mar 13 23:29:29 2018
@@ -393,6 +393,12 @@ public abstract class WebappClassLoaderB
     private boolean clearReferencesHttpClientKeepAliveThread = true;
 
     /**
+     * Should Tomcat attempt to clear references to classes loaded by this 
class
+     * loader from the ObjectStreamClass caches?
+     */
+    private boolean clearReferencesObjectStreamClassCaches = true;
+
+    /**
      * Holds the class file transformers decorating this class loader. The
      * CopyOnWriteArrayList is thread safe. It is expensive on writes, but
      * those should be rare. It is very fast on reads, since synchronization
@@ -649,6 +655,17 @@ public abstract class WebappClassLoaderB
     }
 
 
+    public boolean getClearReferencesObjectStreamClassCaches() {
+        return clearReferencesObjectStreamClassCaches;
+    }
+
+
+    public void setClearReferencesObjectStreamClassCaches(
+            boolean clearReferencesObjectStreamClassCaches) {
+        this.clearReferencesObjectStreamClassCaches = 
clearReferencesObjectStreamClassCaches;
+    }
+
+
     // ------------------------------------------------------- Reloader Methods
 
     /**
@@ -1589,6 +1606,11 @@ public abstract class WebappClassLoaderB
         // Stop any threads the web application started
         clearReferencesThreads();
 
+        // Clear any references retained in the serialization caches
+        if (clearReferencesObjectStreamClassCaches) {
+            clearReferencesObjectStreamClassCaches();
+        }
+
         // Check for leaks triggered by ThreadLocals loaded by this class 
loader
         checkThreadLocalsForLeaks();
 
@@ -2356,6 +2378,36 @@ public abstract class WebappClassLoaderB
             }
         }
     }
+
+
+    private void clearReferencesObjectStreamClassCaches() {
+        try {
+            Class<?> clazz = Class.forName("java.io.ObjectStreamClass$Caches");
+            clearCache(clazz, "localDescs");
+            clearCache(clazz, "reflectors");
+        } catch (ReflectiveOperationException | SecurityException | 
ClassCastException e) {
+            log.warn(sm.getString(
+                    "webappClassLoader.clearObjectStreamClassCachesFail", 
getContextName()), e);
+        }
+    }
+
+
+    private void clearCache(Class<?> target, String mapName)
+            throws ReflectiveOperationException, SecurityException, 
ClassCastException {
+        Field f = target.getDeclaredField(mapName);
+        f.setAccessible(true);
+        Map<?,?> map = (Map<?,?>) f.get(null);
+        Iterator<?> keys = map.keySet().iterator();
+        while (keys.hasNext()) {
+            Object key = keys.next();
+            if (key instanceof Reference) {
+                Object clazz = ((Reference<?>) key).get();
+                if (loadedByThisOrChild(clazz)) {
+                    keys.remove();
+                }
+            }
+        }
+    }
 
 
     /**

Modified: tomcat/tc8.0.x/trunk/res/tomcat.nsi
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/res/tomcat.nsi?rev=1826690&r1=1826689&r2=1826690&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/res/tomcat.nsi (original)
+++ tomcat/tc8.0.x/trunk/res/tomcat.nsi Tue Mar 13 23:29:29 2018
@@ -322,7 +322,7 @@ Section -post
     FileWrite $ServiceInstallLog "$\r$\n"
     FileWrite $ServiceInstallLog '"$INSTDIR\bin\$TomcatServiceFileName" 
//US//$TomcatServiceName --JvmOptions 
"-Dcatalina.home=$INSTDIR#-Dcatalina.base=$INSTDIR#-Djava.io.tmpdir=$INSTDIR\temp#-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager#-Djava.util.logging.config.file=$INSTDIR\conf\logging.properties"'
     FileWrite $ServiceInstallLog "$\r$\n"
-    FileWrite $ServiceInstallLog '"$INSTDIR\bin\$TomcatServiceFileName" 
//US//$TomcatServiceName --JvmOptions9 
"--add-opens=java.base/java.lang=ALL-UNNAMED#--add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED"'
+    FileWrite $ServiceInstallLog '"$INSTDIR\bin\$TomcatServiceFileName" 
//US//$TomcatServiceName --JvmOptions9 
"--add-opens=java.base/java.lang=ALL-UNNAMED#--add-opens=java.base/java.io=ALL-UNNAMED#--add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED"'
     FileWrite $ServiceInstallLog "$\r$\n"
     FileWrite $ServiceInstallLog '"$INSTDIR\bin\$TomcatServiceFileName" 
//US//$TomcatServiceName --StdOutput auto --StdError auto --JvmMs 128 --JvmMx 
256'
     FileWrite $ServiceInstallLog "$\r$\n"
@@ -332,7 +332,7 @@ Section -post
   DetailPrint "Configuring $TomcatServiceName service"
   nsExec::ExecToLog '"$INSTDIR\bin\$TomcatServiceFileName" 
//US//$TomcatServiceName --Classpath 
"$INSTDIR\bin\bootstrap.jar;$INSTDIR\bin\tomcat-juli.jar" --StartClass 
org.apache.catalina.startup.Bootstrap --StopClass 
org.apache.catalina.startup.Bootstrap --StartParams start --StopParams stop  
--StartMode jvm --StopMode jvm'
   nsExec::ExecToLog '"$INSTDIR\bin\$TomcatServiceFileName" 
//US//$TomcatServiceName --JvmOptions 
"-Dcatalina.home=$INSTDIR#-Dcatalina.base=$INSTDIR#-Djava.io.tmpdir=$INSTDIR\temp#-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager#-Djava.util.logging.config.file=$INSTDIR\conf\logging.properties"'
-  nsExec::ExecToLog '"$INSTDIR\bin\$TomcatServiceFileName" 
//US//$TomcatServiceName --JvmOptions9 
"--add-opens=java.base/java.lang=ALL-UNNAMED#--add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED"'
+  nsExec::ExecToLog '"$INSTDIR\bin\$TomcatServiceFileName" 
//US//$TomcatServiceName --JvmOptions9 
"--add-opens=java.base/java.lang=ALL-UNNAMED#--add-opens=java.base/java.io=ALL-UNNAMED#--add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED"'
   nsExec::ExecToLog '"$INSTDIR\bin\$TomcatServiceFileName" 
//US//$TomcatServiceName --StdOutput auto --StdError auto --JvmMs 128 --JvmMx 
256'
 
   ${If} $TomcatShortcutAllUsers == "1"

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=1826690&r1=1826689&r2=1826690&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml Tue Mar 13 23:29:29 2018
@@ -48,6 +48,12 @@
   <subsection name="Catalina">
     <changelog>
       <fix>
+        <bug>51195</bug>: Avoid a false positive report of a web application
+        memory leak by clearing <code>ObjectStreamClass$Caches</code> of 
classes
+        loaded by the web application when the web application is stopped.
+        (markt)
+      </fix>
+      <fix>
         Prevent Tomcat from applying gzip compression to content that is 
already
         compressed with brotli compression. Based on a patch provided by burka.
         (markt)

Modified: tomcat/tc8.0.x/trunk/webapps/docs/config/context.xml
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/webapps/docs/config/context.xml?rev=1826690&r1=1826689&r2=1826690&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/webapps/docs/config/context.xml (original)
+++ tomcat/tc8.0.x/trunk/webapps/docs/config/context.xml Tue Mar 13 23:29:29 
2018
@@ -710,6 +710,18 @@
         not specified, the default value of <code>true</code> will be used.</p>
       </attribute>
 
+      <attribute name="clearReferencesObjectStreamClassCaches" 
required="false">
+        <p>If <code>true</code>, when the web application is stopped Tomcat
+        looks for <code>SoftReference</code>s to classes loaded by the web
+        application in the <code>ObjectStreamClass</code> class used for
+        serialization and clears any <code>SoftReference</code>s it finds. This
+        feature uses reflection to identify the <code>SoftReference</code>s and
+        therefore requires that the command line option
+        <code>-XaddExports:java.base/java.io=ALL-UNNAMED</code> is set
+        when running on Java 9 and above. If not specified, the default value 
of
+        <code>true</code> will be used.</p>
+      </attribute>
+
       <attribute name="clearReferencesRmiTargets" required="false">
         <p>If <code>true</code>, Tomcat looks for memory leaks associated with
         RMI Targets and clears any it finds. This feature uses reflection to

Modified: tomcat/tc8.0.x/trunk/webapps/docs/setup.xml
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/webapps/docs/setup.xml?rev=1826690&r1=1826689&r2=1826690&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/webapps/docs/setup.xml (original)
+++ tomcat/tc8.0.x/trunk/webapps/docs/setup.xml Tue Mar 13 23:29:29 2018
@@ -157,6 +157,7 @@ cd $CATALINA_HOME
     following when starting jsvc to avoid warnings on shutdown.</p>
 <source>...
 --add-opens=java.base/java.lang=ALL-UNNAMED \
+--add-opens=java.base/java.io=ALL-UNNAMED \
 --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED \
 ...
 </source>



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