Am 04.02.25 um 21:29 schrieb Rémy Maucherat:
The proposed Apache Tomcat 9.0.99 release is now available for voting.
The notable changes compared to 9.0.98 are:
- Allow readOnly attribute configuration on the Resources element and
allow configuration of the readOnly attribute value of the main
resources. The attribute value will also be used by the default and
WebDAV Servlets.
- Correct a regression in the fix for bug 69382 that broke JSP
include actions if both the page attribute and the body contained
parameters. Pull request #803 provided by Chenjp.
- Expand the options for handling encoded '/' and '\' characters in
URLs both in the Connector and when using a RequestDispatcher.
For full details, see the changelog:
https://nightlies.apache.org/tomcat/tomcat-9.0.x/docs/changelog.html
It can be obtained from:
https://dist.apache.org/repos/dist/dev/tomcat/tomcat-9/v9.0.99/
The Maven staging repo is:
https://repository.apache.org/content/repositories/orgapachetomcat-1529
The tag is:
https://github.com/apache/tomcat/tree/9.0.99
7145107845fe82dafee783bb0bfd6bea028e173b
The proposed 9.0.99 release is:
[ ] -1, Broken - do not release
[ ] +1, Stable - go ahead and release as 9.0.99
I see java.lang.OutOfMemoryError for Adoptium Temurin 1.8.0_442-b06. It
seems it happens when running
org.apache.tomcat.websocket.TestWebSocketFrameClient. At least on
several VMs the thread running this test does not come to an end,
whereas the other thread proceeds until it finishes the last test.
It happens in NIO and NIO2 using JSSE. I do not yet know, whether it
happens for other JDK vendors or versions. One VM made enough progress
to read tcnative based tests and it happens there too.
I have not seen this before, at least I do not remember.
It does happen for SLES 11, 12, 15 and RHEL 6, 7, 8 and 9. I do not
observe this on Solaris 10 or 11, but those have more system memory. The
Linux VMs typically run with 4 GB OS memory. The JVM heap seems to be 256MB.
Eclipse MAT points to the following Queue, which contains more than
90.000 nodes (shown with incoming references):
Class Name
| Shallow Heap | Retained Heap
----------------------------------------------------------------------------------------------------------------------
java.util.concurrent.LinkedBlockingQueue @ 0xf1945eb0
| 48 | 204.135.592
'- messages
org.apache.tomcat.websocket.TesterMessageCountClient$BasicText @
0xf1945e88| 24 | 204.135.696
|- textMessageHandler org.apache.tomcat.websocket.WsSession @
0xf193d9a0 | 152 | 204.195.664
'- textMsgHandler org.apache.tomcat.websocket.WsFrameClient @
0xf193db00 | 120 | 41.984
----------------------------------------------------------------------------------------------------------------------
I see this stack sometimes, but it could be just a victim of the memory
shortage:
Exception in thread "WebSocketClient-SecureIO-1"
java.lang.OutOfMemoryError: GC overhead limit exceeded
at java.util.Arrays.copyOf(Arrays.java:3236)
at java.io.ByteArrayOutputStream.grow(ByteArrayOutputStream.java:118)
at
java.io.ByteArrayOutputStream.ensureCapacity(ByteArrayOutputStream.java:93)
at java.io.ByteArrayOutputStream.write(ByteArrayOutputStream.java:153)
at
com.sun.crypto.provider.GaloisCounterMode.decrypt(GaloisCounterMode.java:537)
at com.sun.crypto.provider.CipherCore.update(CipherCore.java:782)
at com.sun.crypto.provider.CipherCore.update(CipherCore.java:667)
at com.sun.crypto.provider.AESCipher.engineUpdate(AESCipher.java:380)
at javax.crypto.CipherSpi.bufferCrypt(CipherSpi.java:824)
at javax.crypto.CipherSpi.engineDoFinal(CipherSpi.java:730)
at javax.crypto.Cipher.doFinal(Cipher.java:2463)
at
sun.security.ssl.SSLCipher$T13GcmReadCipherGenerator$GcmReadCipher.decrypt(SSLCipher.java:1880)
at
sun.security.ssl.SSLEngineInputRecord.decodeInputRecord(SSLEngineInputRecord.java:240)
at
sun.security.ssl.SSLEngineInputRecord.decode(SSLEngineInputRecord.java:197)
at
sun.security.ssl.SSLEngineInputRecord.decode(SSLEngineInputRecord.java:160)
at sun.security.ssl.SSLTransport.decode(SSLTransport.java:109)
at sun.security.ssl.SSLEngineImpl.decode(SSLEngineImpl.java:588)
at sun.security.ssl.SSLEngineImpl.readRecord(SSLEngineImpl.java:544)
at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:411)
at sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:390)
at javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:626)
at
org.apache.tomcat.websocket.AsyncChannelWrapperSecure$ReadTask.run(AsyncChannelWrapperSecure.java:269)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:750)
JVM size info:
JVM version is 25.442-b06
using thread-local object allocation.
Parallel GC with 2 thread(s)
Heap Configuration:
MinHeapFreeRatio = 0
MaxHeapFreeRatio = 100
MaxHeapSize = 268435456 (256.0MB)
NewSize = 20971520 (20.0MB)
MaxNewSize = 89128960 (85.0MB)
OldSize = 41943040 (40.0MB)
NewRatio = 2
SurvivorRatio = 8
MetaspaceSize = 21807104 (20.796875MB)
CompressedClassSpaceSize = 1073741824 (1024.0MB)
MaxMetaspaceSize = 17592186044415 MB
G1HeapRegionSize = 0 (0.0MB)
Heap Usage:
PS Young Generation
Eden Space:
capacity = 30408704 (29.0MB)
used = 30408704 (29.0MB)
free = 0 (0.0MB)
100.0% used
From Space:
capacity = 29360128 (28.0MB)
used = 0 (0.0MB)
free = 29360128 (28.0MB)
0.0% used
To Space:
capacity = 29360128 (28.0MB)
used = 0 (0.0MB)
free = 29360128 (28.0MB)
0.0% used
PS Old Generation
capacity = 179306496 (171.0MB)
used = 178862408 (170.57648468017578MB)
free = 444088 (0.42351531982421875MB)
99.75233022232501% used
10301 interned Strings occupying 923704 bytes.
Heap histogram:
num #instances #bytes class name
----------------------------------------------
1: 117372 201481240 [C
2: 117231 2813544 java.lang.String
3: 96658 2319792
java.util.concurrent.LinkedBlockingQueue$Node
4: 1023 422040 [B
5: 3366 379696 java.lang.Class
6: 5959 190688 java.util.HashMap$Node
7: 5552 177664
java.util.concurrent.ConcurrentHashMap$Node
8: 2703 157816 [Ljava.lang.Object;
9: 1312 115456 java.lang.reflect.Method
10: 1722 87376 [I
11: 530 75552 [Ljava.util.HashMap$Node;
12: 64 50920
[Ljava.util.concurrent.ConcurrentHashMap$Node;
13: 1020 48960
org.apache.tomcat.util.modeler.AttributeInfo
14: 2897 46352 java.lang.Object
15: 621 39680 [Ljava.lang.String;
16: 896 35840 java.util.LinkedHashMap$Entry
17: 678 32544 java.util.HashMap
18: 894 28608 java.util.Hashtable$Entry
19: 512 24576
java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync
20: 526 21040 java.lang.ref.SoftReference
21: 9 20656 [Ljava.nio.ByteBuffer;
22: 638 20416 javax.management.MBeanAttributeInfo
23: 414 19872
org.apache.tomcat.util.modeler.OperationInfo
24: 896 19616 [Ljava.lang.Class;
25: 408 16320 java.math.BigInteger
26: 273 15288 java.lang.invoke.MemberName
27: 550 13200 java.util.LinkedList$Node
28: 513 12312
java.util.concurrent.locks.ReentrantReadWriteLock
29: 166 11952 java.util.logging.Logger
30: 280 11200 javax.management.MBeanOperationInfo
31: 341 10912 sun.misc.FDBigInteger
32: 314 10048
org.apache.tomcat.util.modeler.ParameterInfo
33: 40 9584 [Ljava.util.Hashtable$Entry;
34: 59 9120 [Z
35: 223 8920 java.lang.invoke.MethodType
36: 414 8608
[Lorg.apache.tomcat.util.modeler.ParameterInfo;
37: 262 8384 java.lang.ref.WeakReference
38: 172 8256
java.util.logging.LogManager$LoggerWeakRef
39: 513 8208
java.util.concurrent.locks.ReentrantReadWriteLock$ReadLock
40: 513 8208
java.util.concurrent.locks.ReentrantReadWriteLock$Sync$ThreadLocalHoldCounter
41: 513 8208
java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock
42: 235 7520
java.util.concurrent.locks.ReentrantLock$NonfairSync
43: 233 7456 javax.management.MBeanParameterInfo
44: 224 7168
java.lang.invoke.MethodType$ConcurrentWeakInternSet$WeakEntry
45: 223 7136 java.lang.invoke.LambdaForm$Name
46: 110 6600 [Ljava.lang.ref.SoftReference;
47: 103 6592 java.util.concurrent.ConcurrentHashMap
48: 261 6264 java.util.ArrayList
49: 256 6144 java.lang.Long
50: 152 6080 java.util.TreeMap$Entry
51: 188 6016
com.sun.org.apache.xerces.internal.xni.QName
52: 248 5952 javax.management.ImmutableDescriptor
53: 183 5856 java.util.LinkedList
54: 145 5800 java.util.WeakHashMap$Entry
55: 89 5696 java.net.URL
56: 70 5600 java.lang.reflect.Constructor
57: 84 5560 [Ljavax.management.MBeanAttributeInfo;
58: 52 5312 [Ljava.util.WeakHashMap$Entry;
59: 216 5184
java.util.concurrent.CopyOnWriteArrayList
60: 154 4928
com.sun.jmx.mbeanserver.ConvertingMethod
61: 307 4912 java.lang.Integer
62: 13 4888 java.lang.Thread
63: 84 4704 java.lang.Package
64: 12 4608
org.apache.tomcat.util.threads.TaskThread
65: 74 4144
org.apache.tomcat.util.modeler.ManagedBean
66: 164 4120 [Ljavax.management.MBeanParameterInfo;
67: 256 4096 java.lang.Byte
68: 256 4096 java.lang.Short
69: 125 4000 java.lang.invoke.DirectMethodHandle
70: 83 3984 javax.management.MBeanInfo
71: 70 3920 java.util.LinkedHashMap
72: 244 3904 java.util.HashMap$Values
73: 160 3840
org.apache.juli.ClassLoaderLogManager$LogNode
74: 235 3760
java.util.concurrent.locks.ReentrantLock
75: 75 3600 java.lang.invoke.LambdaForm
76: 80 3520 [Ljava.lang.invoke.LambdaForm$Name;
77: 60 3360 java.lang.invoke.MethodTypeForm
78: 165 3288
[Lcom.sun.jmx.mbeanserver.MXBeanMapping;
79: 49 3136
javax.management.openmbean.OpenMBeanAttributeInfoSupport
80: 130 3120 java.time.LocalDateTime
81: 111 2976 [Ljavax.management.ObjectName$Property;
82: 29 2944 [Ljava.lang.invoke.MethodHandle;
83: 22 2880 [S
84: 10 2848
[Lcom.sun.org.apache.xerces.internal.xni.QName;
85: 17 2816 [J
86: 117 2808 javax.management.ObjectName$Property
87: 70 2800 java.io.ObjectStreamField
88: 74 2776 [Ljavax.management.MBeanOperationInfo;
89: 48 2688 java.util.ResourceBundle$CacheKey
90: 110 2640
java.lang.invoke.LambdaForm$NamedFunction
91: 64 2560 java.lang.ref.Finalizer
92: 49 2352 java.util.WeakHashMap
93: 48 2304
java.util.ResourceBundle$BundleReference
94: 48 2304 org.apache.tomcat.util.buf.ByteChunk
95: 56 2240 javax.management.ObjectName
96: 69 2208 java.lang.ref.ReferenceQueue
97: 15 2160 java.text.DecimalFormat
98: 53 2120 sun.security.util.NamedCurve
99: 128 2048 java.lang.Character
100: 13 2016 [Ljava.lang.reflect.Method;
101: 36 2016
org.apache.tomcat.util.res.StringManager$1
102: 41 1968 org.apache.tomcat.util.buf.CharChunk
103: 40 1920 org.apache.tomcat.util.buf.MessageBytes
104: 48 1920
sun.management.DiagnosticCommandArgumentInfo
105: 40 1920
sun.util.locale.LocaleObjectCache$CacheEntry
106: 75 1800 java.security.Provider$ServiceKey
107: 32 1792 java.security.Provider$Service
108: 32 1792 sun.misc.URLClassPath$JarLoader
109: 53 1696 java.security.spec.EllipticCurve
110: 68 1632 java.time.LocalDate
111: 16 1624 [[Ljava.lang.String;
112: 66 1584
sun.reflect.generics.tree.SimpleClassTypeSignature
113: 14 1568 java.util.GregorianCalendar
114: 48 1536
java.util.ResourceBundle$LoaderReference
115: 16 1536 java.util.jar.JarFile$JarFileEntry
116: 27 1512 sun.nio.cs.UTF_8$Encoder
117: 3 1488 [[B
118: 23 1472 java.util.jar.JarFile
119: 30 1440 java.time.temporal.ValueRange
120: 36 1440 java.util.PropertyResourceBundle
121: 88 1408 org.apache.juli.logging.DirectJDKLog
122: 1 1376 [Lsun.misc.FDBigInteger;
123: 28 1344 java.nio.HeapByteBuffer
124: 14 1344 sun.util.calendar.Gregorian$Date
125: 55 1320 com.sun.jmx.mbeanserver.NamedObject
126: 54 1296 java.security.spec.ECPoint
127: 32 1280 java.security.AccessControlContext
128: 66 1248
[Lsun.reflect.generics.tree.TypeArgument;
129: 26 1248 java.util.TreeMap
130: 50 1200 java.lang.Class$AnnotationData
131: 30 1200 java.time.temporal.ChronoField
132: 38 1184 [Ljava.math.BigInteger;
133: 74 1184
[Lorg.apache.tomcat.util.modeler.NotificationInfo;
134: 37 1184
java.lang.invoke.BoundMethodHandle$Species_L
135: 37 1184 java.util.regex.Pattern$Curly
136: 49 1176 org.apache.coyote.ActionCode
137: 71 1136 java.lang.ref.ReferenceQueue$Lock
138: 23 1104 sun.management.DiagnosticCommandInfo
139: 19 1064 javax.management.openmbean.ArrayType
140: 33 1056 java.io.File
141: 66 1056
sun.reflect.generics.tree.ClassTypeSignature
Regards,
Rainer
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