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remm pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/master by this push:
new a98f6d0 Fix rare ISE issue I see in TestAsyncFlush.NIO
a98f6d0 is described below
commit a98f6d02bb92ded2b3b0cb5438fb7c8adb8d85f9
Author: remm <r...@apache.org>
AuthorDate: Tue Jun 4 10:58:24 2019 +0200
Fix rare ISE issue I see in TestAsyncFlush.NIO
It looks possibly ok to me to wait on both allocation types with
waitForNonBlocking (that's what the test runs into for me, both reach 0
at the same time).
Also use NONE instead of 0.
Tests pass for me, so trying with CI.
---
.../coyote/http2/WindowAllocationManager.java | 34 +++++++++++-----------
1 file changed, 17 insertions(+), 17 deletions(-)
diff --git a/java/org/apache/coyote/http2/WindowAllocationManager.java
b/java/org/apache/coyote/http2/WindowAllocationManager.java
index 7626bf3..6510312 100644
--- a/java/org/apache/coyote/http2/WindowAllocationManager.java
+++ b/java/org/apache/coyote/http2/WindowAllocationManager.java
@@ -121,7 +121,7 @@ class WindowAllocationManager {
private void waitFor(int waitTarget, long timeout) throws
InterruptedException {
synchronized (stream) {
- if (waitingFor != 0) {
+ if (waitingFor != NONE) {
throw new
IllegalStateException(sm.getString("windowAllocationManager.waitFor.ise",
stream.getConnectionId(), stream.getIdentifier()));
}
@@ -134,23 +134,21 @@ class WindowAllocationManager {
stream.wait(timeout);
}
- waitingFor = 0;
+ waitingFor = NONE;
}
}
private void waitForNonBlocking(int waitTarget) {
synchronized (stream) {
- if (waitingFor == 0) {
+ if (waitingFor == NONE) {
waitingFor = waitTarget;
} else if (waitingFor == waitTarget) {
// NO-OP
// Non-blocking post-processing may attempt to flush
} else {
- throw new
IllegalStateException(sm.getString("windowAllocationManager.waitFor.ise",
- stream.getConnectionId(), stream.getIdentifier()));
+ waitingFor |= waitTarget;
}
-
}
}
@@ -162,7 +160,7 @@ class WindowAllocationManager {
}
synchronized (stream) {
- if ((notifyTarget & waitingFor) > 0) {
+ if ((notifyTarget & waitingFor) > NONE) {
if (stream.getCoyoteResponse().getWriteListener() == null) {
// Blocking, so use notify to release StreamOutputBuffer
if (log.isDebugEnabled()) {
@@ -171,17 +169,19 @@ class WindowAllocationManager {
}
stream.notify();
} else {
- waitingFor = 0;
- // Non-blocking so dispatch
- if (log.isDebugEnabled()) {
-
log.debug(sm.getString("windowAllocationManager.dispatched",
- stream.getConnectionId(),
stream.getIdentifier()));
+ waitingFor &= ~notifyTarget;
+ if (waitingFor == NONE) {
+ // Non-blocking so dispatch
+ if (log.isDebugEnabled()) {
+
log.debug(sm.getString("windowAllocationManager.dispatched",
+ stream.getConnectionId(),
stream.getIdentifier()));
+ }
+
stream.getCoyoteResponse().action(ActionCode.DISPATCH_WRITE, null);
+ // Need to explicitly execute dispatches on the
StreamProcessor
+ // as this thread is being processed by an
UpgradeProcessor
+ // which won't see this dispatch
+
stream.getCoyoteResponse().action(ActionCode.DISPATCH_EXECUTE, null);
}
-
stream.getCoyoteResponse().action(ActionCode.DISPATCH_WRITE, null);
- // Need to explicitly execute dispatches on the
StreamProcessor
- // as this thread is being processed by an UpgradeProcessor
- // which won't see this dispatch
-
stream.getCoyoteResponse().action(ActionCode.DISPATCH_EXECUTE, null);
}
}
}
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