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Posted to dev@tomcat.apache.org by ma...@apache.org on 2022/12/06 19:16:56 UTC
[tomcat] branch rfc9218 created (now 99d874f067)
This is an automated email from the ASF dual-hosted git repository.
markt pushed a change to branch rfc9218
in repository https://gitbox.apache.org/repos/asf/tomcat.git
at 99d874f067 Don't process priority frames
This branch includes the following new commits:
new 9b77958b06 Add NO_RFC7540_PRIORITIES setting to enum
new 500ab744ee Send setting to disable RFC 7540 settings by default
new 0ae556edfa Ensure RFC 7540 priorities are not re-enabled
new 99d874f067 Don't process priority frames
The 4 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails. The revisions
listed as "add" were already present in the repository and have only
been added to this reference.
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[tomcat] 03/04: Ensure RFC 7540 priorities are not re-enabled
Posted by ma...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
markt pushed a commit to branch rfc9218
in repository https://gitbox.apache.org/repos/asf/tomcat.git
commit 0ae556edfa9f59ff96922b5a02dbecf58710d307
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Tue Dec 6 18:14:00 2022 +0000
Ensure RFC 7540 priorities are not re-enabled
---
java/org/apache/coyote/http2/Http2UpgradeHandler.java | 5 +++++
java/org/apache/coyote/http2/LocalStrings.properties | 1 +
2 files changed, 6 insertions(+)
diff --git a/java/org/apache/coyote/http2/Http2UpgradeHandler.java b/java/org/apache/coyote/http2/Http2UpgradeHandler.java
index 8d402c64b9..c89fe44c1f 100644
--- a/java/org/apache/coyote/http2/Http2UpgradeHandler.java
+++ b/java/org/apache/coyote/http2/Http2UpgradeHandler.java
@@ -1835,6 +1835,11 @@ class Http2UpgradeHandler extends AbstractStream implements InternalHttpUpgradeH
h2e.getError(), stream.getIdAsInt()));
}
}
+ } else if (setting == Setting.NO_RFC7540_PRIORITIES) {
+ // This should not be changed after the initial setting
+ if (value != ConnectionSettingsBase.DEFAULT_NO_RFC7540_PRIORITIES) {
+ throw new ConnectionException(sm.getString("upgradeHandler.enableRfc7450Priorities", connectionId), Http2Error.PROTOCOL_ERROR);
+ }
} else {
remoteSettings.set(setting, value);
}
diff --git a/java/org/apache/coyote/http2/LocalStrings.properties b/java/org/apache/coyote/http2/LocalStrings.properties
index 7587a86f33..7f7bf3a8c6 100644
--- a/java/org/apache/coyote/http2/LocalStrings.properties
+++ b/java/org/apache/coyote/http2/LocalStrings.properties
@@ -148,6 +148,7 @@ upgradeHandler.pruned=Connection [{0}] Pruned completed stream [{1}]
upgradeHandler.prunedPriority=Connection [{0}] Pruned unused stream [{1}] that may have been part of the priority tree
upgradeHandler.releaseBacklog=Connection [{0}], Stream [{1}] released from backlog
upgradeHandler.reset.receive=Connection [{0}], Stream [{1}], Reset received due to [{2}]
+upgradeHandler.enableRfc7450Priorities=Connection [{0}], RFC 7450 priorities may not be enabled after being disabled in the initial connection settings frame (see RFC 9218)
upgradeHandler.rst.debug=Connection [{0}], Stream [{1}], Error [{2}], Message [{3}], RST (closing stream)
upgradeHandler.sendPrefaceFail=Connection [{0}], Failed to send preface to client
upgradeHandler.sendfile.reservation=Connection [{0}], Stream [{1}], Connection reservation [{2}], Stream reservation [{3}] prior to sendfile write
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[tomcat] 04/04: Don't process priority frames
Posted by ma...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
markt pushed a commit to branch rfc9218
in repository https://gitbox.apache.org/repos/asf/tomcat.git
commit 99d874f067499fe7053d6053ad1212d91d7e8e17
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Tue Dec 6 19:16:41 2022 +0000
Don't process priority frames
---
java/org/apache/coyote/http2/Http2Parser.java | 39 +++++++---------------
.../apache/coyote/http2/Http2UpgradeHandler.java | 31 ++---------------
.../apache/coyote/http2/LocalStrings.properties | 1 -
.../apache/coyote/http2/LocalStrings_fr.properties | 1 -
.../apache/coyote/http2/LocalStrings_ja.properties | 1 -
.../apache/coyote/http2/LocalStrings_ko.properties | 1 -
.../coyote/http2/LocalStrings_zh_CN.properties | 1 -
test/org/apache/coyote/http2/Http2TestBase.java | 13 ++++----
8 files changed, 20 insertions(+), 68 deletions(-)
diff --git a/java/org/apache/coyote/http2/Http2Parser.java b/java/org/apache/coyote/http2/Http2Parser.java
index 60669491d5..a68ce25dcb 100644
--- a/java/org/apache/coyote/http2/Http2Parser.java
+++ b/java/org/apache/coyote/http2/Http2Parser.java
@@ -254,12 +254,8 @@ class Http2Parser {
Integer.toString(payloadSize)), Http2Error.PROTOCOL_ERROR);
}
}
- if (priority) {
- boolean exclusive = ByteUtil.isBit7Set(optional[optionalPos]);
- int parentStreamId = ByteUtil.get31Bits(optional, optionalPos);
- int weight = ByteUtil.getOneByte(optional, optionalPos + 4) + 1;
- output.reprioritise(streamId, parentStreamId, exclusive, weight);
- }
+
+ // Ignore RFC 7450 priority data if present
payloadSize -= optionalLen;
payloadSize -= padLength;
@@ -277,24 +273,15 @@ class Http2Parser {
}
- protected void readPriorityFrame(int streamId, ByteBuffer buffer) throws Http2Exception, IOException {
- byte[] payload = new byte[5];
- if (buffer == null) {
- input.fill(true, payload);
- } else {
- buffer.get(payload);
- }
-
- boolean exclusive = ByteUtil.isBit7Set(payload[0]);
- int parentStreamId = ByteUtil.get31Bits(payload, 0);
- int weight = ByteUtil.getOneByte(payload, 4) + 1;
-
- if (streamId == parentStreamId) {
- throw new StreamException(sm.getString("http2Parser.processFramePriority.invalidParent",
- connectionId, Integer.valueOf(streamId)), Http2Error.PROTOCOL_ERROR, streamId);
+ protected void readPriorityFrame(int streamId, ByteBuffer buffer) throws IOException {
+ // RFC 7450 priority frames are ignored. Still need to treat as overhead.
+ try {
+ swallowPayload(streamId, FrameType.PRIORITY.getId(), 5, false, buffer);
+ } catch (ConnectionException e) {
+ // Will never happen because swallowPayload() is called with isPadding set
+ // to false
}
-
- output.reprioritise(streamId, parentStreamId, exclusive, weight);
+ output.increaseOverheadCount(FrameType.PRIORITY);
}
@@ -780,10 +767,6 @@ class Http2Parser {
void headersContinue(int payloadSize, boolean endOfHeaders);
void headersEnd(int streamId) throws Http2Exception;
- // Priority frames (also headers)
- void reprioritise(int streamId, int parentStreamId, boolean exclusive, int weight)
- throws Http2Exception;
-
// Reset frames
void reset(int streamId, long errorCode) throws Http2Exception;
@@ -815,5 +798,7 @@ class Http2Parser {
* frame
*/
void onSwallowedUnknownFrame(int streamId, int frameTypeId, int flags, int size) throws IOException;
+
+ void increaseOverheadCount(FrameType frameType);
}
}
diff --git a/java/org/apache/coyote/http2/Http2UpgradeHandler.java b/java/org/apache/coyote/http2/Http2UpgradeHandler.java
index c89fe44c1f..a2405994a8 100644
--- a/java/org/apache/coyote/http2/Http2UpgradeHandler.java
+++ b/java/org/apache/coyote/http2/Http2UpgradeHandler.java
@@ -1489,7 +1489,8 @@ class Http2UpgradeHandler extends AbstractStream implements InternalHttpUpgradeH
}
- private void increaseOverheadCount(FrameType frameType) {
+ @Override
+ public void increaseOverheadCount(FrameType frameType) {
// An overhead frame increases the overhead count by
// overheadCountFactor. By default, this means an overhead frame
// increases the overhead count by 10. A simple browser request is
@@ -1708,34 +1709,6 @@ class Http2UpgradeHandler extends AbstractStream implements InternalHttpUpgradeH
}
- @Override
- public void reprioritise(int streamId, int parentStreamId,
- boolean exclusive, int weight) throws Http2Exception {
- if (streamId == parentStreamId) {
- throw new ConnectionException(sm.getString("upgradeHandler.dependency.invalid",
- getConnectionId(), Integer.valueOf(streamId)), Http2Error.PROTOCOL_ERROR);
- }
-
- increaseOverheadCount(FrameType.PRIORITY);
-
- synchronized (priorityTreeLock) {
- // Need to look up stream and parent stream inside the lock else it
- // is possible for a stream to be recycled before it is
- // reprioritised. This can result in incorrect references to the
- // non-recycled stream being retained after reprioritisation.
- AbstractNonZeroStream abstractNonZeroStream = getAbstractNonZeroStream(streamId);
- if (abstractNonZeroStream == null) {
- abstractNonZeroStream = createRemoteStream(streamId);
- }
- AbstractStream parentStream = getAbstractNonZeroStream(parentStreamId);
- if (parentStream == null) {
- parentStream = this;
- }
- abstractNonZeroStream.rePrioritise(parentStream, exclusive, weight);
- }
- }
-
-
@Override
public void headersContinue(int payloadSize, boolean endOfHeaders) {
// Generally, continuation frames don't impact the overhead count but if
diff --git a/java/org/apache/coyote/http2/LocalStrings.properties b/java/org/apache/coyote/http2/LocalStrings.properties
index 7f7bf3a8c6..547a1880d1 100644
--- a/java/org/apache/coyote/http2/LocalStrings.properties
+++ b/java/org/apache/coyote/http2/LocalStrings.properties
@@ -129,7 +129,6 @@ upgradeHandler.allocate.debug=Connection [{0}], Stream [{1}], allocated [{2}] by
upgradeHandler.allocate.left=Connection [{0}], Stream [{1}], [{2}] bytes unallocated - trying to allocate to children
upgradeHandler.allocate.recipient=Connection [{0}], Stream [{1}], potential recipient [{2}] with weight [{3}]
upgradeHandler.connectionError=Connection error
-upgradeHandler.dependency.invalid=Connection [{0}], Stream [{1}], Streams may not depend on themselves
upgradeHandler.fallToDebug=\n\
\ Note: further occurrences of HTTP/2 stream errors will be logged at DEBUG level.
upgradeHandler.goaway.debug=Connection [{0}], Goaway, Last stream [{1}], Error code [{2}], Debug data [{3}]
diff --git a/java/org/apache/coyote/http2/LocalStrings_fr.properties b/java/org/apache/coyote/http2/LocalStrings_fr.properties
index 292e61e67a..e8551e4370 100644
--- a/java/org/apache/coyote/http2/LocalStrings_fr.properties
+++ b/java/org/apache/coyote/http2/LocalStrings_fr.properties
@@ -128,7 +128,6 @@ upgradeHandler.allocate.debug=Connection [{0}], Flux [{1}], [{2}] octets alloué
upgradeHandler.allocate.left=Connection [{0}], Flux [{1}], [{2}] octets désalloués, essai d''allocation aux enfants
upgradeHandler.allocate.recipient=Connection [{0}], Flux [{1}], receveur potentiel [{2}] avec poids [{3}]
upgradeHandler.connectionError=Erreur de la connection
-upgradeHandler.dependency.invalid=Connection [{0}], Flux [{1}], Un flux ne peut dépendre de lui-même
upgradeHandler.fallToDebug=\n\
\ Note: les occurrences suivantes d'erreurs de stream HTTP/2 seront enregistrées au niveau DEBUG.
upgradeHandler.goaway.debug=Connection [{0}], Goaway, Dernier flux [{1}], Code d''erreur [{2}], Données de débogage [{3}]
diff --git a/java/org/apache/coyote/http2/LocalStrings_ja.properties b/java/org/apache/coyote/http2/LocalStrings_ja.properties
index 24e134d05e..8be4123f8e 100644
--- a/java/org/apache/coyote/http2/LocalStrings_ja.properties
+++ b/java/org/apache/coyote/http2/LocalStrings_ja.properties
@@ -128,7 +128,6 @@ upgradeHandler.allocate.debug=コネクション [{0}]、ストリーム [{1}]
upgradeHandler.allocate.left=コネクション [{0}]、ストリーム [{1}]、[{2}] バイトが未割り当て - 子への割り当てを試みています
upgradeHandler.allocate.recipient=コネクション [{0}]、ストリーム [{1}]、重み [{3}] の潜在的な受信者 [{2}]
upgradeHandler.connectionError=接続エラー
-upgradeHandler.dependency.invalid=コネクション [{0}]、ストリーム [{1}]、ストリームは自分自身に依存するべきではありません。
upgradeHandler.fallToDebug=注: HTTP/2 ストリームのエラーがさらに発生すると、DEBUG レベルでログに記録されます。
upgradeHandler.goaway.debug=コネクション [{0}]、Goaway、最終ストリーム [{1}]、エラーコード [{2}]、デバッグデータ [{3}]
upgradeHandler.init=コネクション[{0}]、状態[{1}]
diff --git a/java/org/apache/coyote/http2/LocalStrings_ko.properties b/java/org/apache/coyote/http2/LocalStrings_ko.properties
index 7fe71cdccc..e8b1825382 100644
--- a/java/org/apache/coyote/http2/LocalStrings_ko.properties
+++ b/java/org/apache/coyote/http2/LocalStrings_ko.properties
@@ -127,7 +127,6 @@ upgradeHandler.allocate.debug=연결 [{0}], 스트림 [{1}], [{2}] 바이트를
upgradeHandler.allocate.left=연결 [{0}], 스트림 [{1}], [{2}] 바이트들이 할당 해제되었습니다 - 자식들에 할당하려 시도합니다.
upgradeHandler.allocate.recipient=연결 [{0}], 스트림 [{1}], 가중치 [{3}]의 잠재적 수신자 [{2}]
upgradeHandler.connectionError=연결 오류
-upgradeHandler.dependency.invalid=연결 [{0}], 스트림 [{1}], 스트림들은 자기 자신들에 의존해서는 안됩니다.
upgradeHandler.goaway.debug=연결 [{0}], Goaway, 마지막 스트림 [{1}], 오류 코드 [{2}], 디버그 데이터 [{3}]
upgradeHandler.init=연결 [{0}], 상태 [{1}]
upgradeHandler.invalidPreface=연결 [{0}]: 유효하지 않은 연결 preface
diff --git a/java/org/apache/coyote/http2/LocalStrings_zh_CN.properties b/java/org/apache/coyote/http2/LocalStrings_zh_CN.properties
index e457333ff2..d0713e931a 100644
--- a/java/org/apache/coyote/http2/LocalStrings_zh_CN.properties
+++ b/java/org/apache/coyote/http2/LocalStrings_zh_CN.properties
@@ -128,7 +128,6 @@ upgradeHandler.allocate.debug=连接[{0}]，流[{1}]，已分配[{2}]字节
upgradeHandler.allocate.left=连接[{0}]，流[{1}]，[{2}]字节未分配 - 尝试分配给子项
upgradeHandler.allocate.recipient=(:连接[{0}]，流[{1}]，潜在接收者[{2}]，权重为[{3}]
upgradeHandler.connectionError=连接错误
-upgradeHandler.dependency.invalid=连接{0}，流{1}，流可能不依赖于自身
upgradeHandler.goaway.debug=连接[{0}]，离开，最后的流[{1}]，错误码[{2}]，调试数据[{3}]
upgradeHandler.init=连接[{0}]，状态[{1}]
upgradeHandler.invalidPreface=连接[{0}]，连接前言无效
diff --git a/test/org/apache/coyote/http2/Http2TestBase.java b/test/org/apache/coyote/http2/Http2TestBase.java
index 301450011c..24d85fdc1e 100644
--- a/test/org/apache/coyote/http2/Http2TestBase.java
+++ b/test/org/apache/coyote/http2/Http2TestBase.java
@@ -1129,13 +1129,6 @@ public abstract class Http2TestBase extends TomcatBaseTest {
return this;
}
- @Override
- public void reprioritise(int streamId, int parentStreamId, boolean exclusive, int weight) {
- lastStreamId = Integer.toString(streamId);
- trace.append(lastStreamId + "-Reprioritise-[" + parentStreamId + "]-[" + exclusive +
- "]-[" + weight + "]\n");
- }
-
@Override
public void emitHeader(String name, String value) {
@@ -1288,6 +1281,12 @@ public abstract class Http2TestBase extends TomcatBaseTest {
public long getBytesRead() {
return bytesRead;
}
+
+
+ @Override
+ public void increaseOverheadCount(FrameType frameType) {
+ // NO-OP. Client doesn't track overhead.
+ }
}
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[tomcat] 01/04: Add NO_RFC7540_PRIORITIES setting to enum
Posted by ma...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
markt pushed a commit to branch rfc9218
in repository https://gitbox.apache.org/repos/asf/tomcat.git
commit 9b77958b062f224bf56f2ceca5cbd2d55d3da67b
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Tue Dec 6 18:00:48 2022 +0000
Add NO_RFC7540_PRIORITIES setting to enum
---
java/org/apache/coyote/http2/Setting.java | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/java/org/apache/coyote/http2/Setting.java b/java/org/apache/coyote/http2/Setting.java
index 54b99dacba..29dc73f201 100644
--- a/java/org/apache/coyote/http2/Setting.java
+++ b/java/org/apache/coyote/http2/Setting.java
@@ -23,6 +23,7 @@ enum Setting {
INITIAL_WINDOW_SIZE(4),
MAX_FRAME_SIZE(5),
MAX_HEADER_LIST_SIZE(6),
+ NO_RFC7540_PRIORITIES(9),
UNKNOWN(Integer.MAX_VALUE);
private final int id;
@@ -60,6 +61,9 @@ enum Setting {
case 6: {
return MAX_HEADER_LIST_SIZE;
}
+ case 9: {
+ return NO_RFC7540_PRIORITIES;
+ }
default: {
return Setting.UNKNOWN;
}
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[tomcat] 02/04: Send setting to disable RFC 7540 settings by default
Posted by ma...@apache.org.
This is an automated email from the ASF dual-hosted git repository.
markt pushed a commit to branch rfc9218
in repository https://gitbox.apache.org/repos/asf/tomcat.git
commit 500ab744ee096dae4a876994f47a19c7bfe04494
Author: Mark Thomas <ma...@apache.org>
AuthorDate: Tue Dec 6 18:05:38 2022 +0000
Send setting to disable RFC 7540 settings by default
---
java/org/apache/coyote/http2/ConnectionSettingsBase.java | 16 ++++++++++++++++
java/org/apache/coyote/http2/LocalStrings.properties | 1 +
2 files changed, 17 insertions(+)
diff --git a/java/org/apache/coyote/http2/ConnectionSettingsBase.java b/java/org/apache/coyote/http2/ConnectionSettingsBase.java
index ef4a20010a..bd880f669f 100644
--- a/java/org/apache/coyote/http2/ConnectionSettingsBase.java
+++ b/java/org/apache/coyote/http2/ConnectionSettingsBase.java
@@ -45,6 +45,9 @@ abstract class ConnectionSettingsBase<T extends Throwable> {
static final int DEFAULT_MAX_FRAME_SIZE = MIN_MAX_FRAME_SIZE;
static final long DEFAULT_MAX_HEADER_LIST_SIZE = 1 << 15;
+ // Defaults (defined by Tomcat)
+ static final long DEFAULT_NO_RFC7540_PRIORITIES = 1;
+
Map<Setting, Long> current = new ConcurrentHashMap<>();
Map<Setting, Long> pending = new ConcurrentHashMap<>();
@@ -58,6 +61,7 @@ abstract class ConnectionSettingsBase<T extends Throwable> {
current.put(Setting.INITIAL_WINDOW_SIZE, Long.valueOf(DEFAULT_INITIAL_WINDOW_SIZE));
current.put(Setting.MAX_FRAME_SIZE, Long.valueOf(DEFAULT_MAX_FRAME_SIZE));
current.put(Setting.MAX_HEADER_LIST_SIZE, Long.valueOf(DEFAULT_MAX_HEADER_LIST_SIZE));
+ current.put(Setting.NO_RFC7540_PRIORITIES, Long.valueOf(DEFAULT_NO_RFC7540_PRIORITIES));
}
@@ -86,6 +90,9 @@ abstract class ConnectionSettingsBase<T extends Throwable> {
case MAX_HEADER_LIST_SIZE:
// No further validation required
break;
+ case NO_RFC7540_PRIORITIES:
+ validateNoRfc7540Priorities(value);
+ break;
case UNKNOWN:
// Unrecognised. Ignore it.
return;
@@ -212,6 +219,15 @@ abstract class ConnectionSettingsBase<T extends Throwable> {
}
+ private void validateNoRfc7540Priorities(long noRfc7540Priorities) throws T {
+ if (noRfc7540Priorities < 0 || noRfc7540Priorities > 1) {
+ String msg = sm.getString("connectionSettings.noRfc7540PrioritiesInvalid",
+ connectionId, Long.toString(noRfc7540Priorities));
+ throwException(msg, Http2Error.PROTOCOL_ERROR);
+ }
+ }
+
+
abstract void throwException(String msg, Http2Error error) throws T;
abstract String getEndpointName();
diff --git a/java/org/apache/coyote/http2/LocalStrings.properties b/java/org/apache/coyote/http2/LocalStrings.properties
index 8972c4fb6e..7587a86f33 100644
--- a/java/org/apache/coyote/http2/LocalStrings.properties
+++ b/java/org/apache/coyote/http2/LocalStrings.properties
@@ -26,6 +26,7 @@ connectionSettings.debug=Connection [{0}], Endpoint [{1}], Parameter type [{2}]
connectionSettings.enablePushInvalid=Connection [{0}], The requested value for enable push [{1}] is not one of the permitted values (zero or one)
connectionSettings.headerTableSizeLimit=Connection [{0}], Attempted to set a header table size of [{1}] but the limit is 16k
connectionSettings.maxFrameSizeInvalid=Connection [{0}], The requested maximum frame size of [{1}] is outside the permitted range of [{2}] to [{3}]
+connectionSettings.noRfc7540PrioritiesInvalid=Connection [{0}], The requested no RFC 7540 priorities setting [{1}] was not zero or one
connectionSettings.unknown=Connection [{0}], An unknown setting with identifier [{1}] and value [{2}] was ignored
connectionSettings.windowSizeTooBig=Connection [{0}], The requested window size of [{1}] is bigger than the maximum permitted value of [{2}]
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Re: [tomcat] branch rfc9218 created (now 99d874f067)
Posted by Mark Thomas <ma...@apache.org>.
Sorry. Didn't mean to push this. I think I clicked the wrong button in
my IDE out of habit.
Mark
On 06/12/2022 19:16, markt@apache.org wrote:
> This is an automated email from the ASF dual-hosted git repository.
>
> markt pushed a change to branch rfc9218
> in repository https://gitbox.apache.org/repos/asf/tomcat.git
>
>
> at 99d874f067 Don't process priority frames
>
> This branch includes the following new commits:
>
> new 9b77958b06 Add NO_RFC7540_PRIORITIES setting to enum
> new 500ab744ee Send setting to disable RFC 7540 settings by default
> new 0ae556edfa Ensure RFC 7540 priorities are not re-enabled
> new 99d874f067 Don't process priority frames
>
> The 4 revisions listed above as "new" are entirely new to this
> repository and will be described in separate emails. The revisions
> listed as "add" were already present in the repository and have only
> been added to this reference.
>
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: dev-unsubscribe@tomcat.apache.org
> For additional commands, e-mail: dev-help@tomcat.apache.org
>
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