This is an automated email from the ASF dual-hosted git repository.
remm pushed a commit to branch 8.5.x
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/8.5.x by this push:
new 095392c9fc Fix sync inconsistency on host config object vs host object
095392c9fc is described below
commit 095392c9fcc71890807b1a4de7b5ef490dd2f069
Author: remm <r...@apache.org>
AuthorDate: Mon Nov 20 15:38:39 2023 +0100
Fix sync inconsistency on host config object vs host object
The host object should be used since its lifecycle is relevant.
---
java/org/apache/catalina/startup/HostConfig.java | 108 ++++++++++++-----------
1 file changed, 56 insertions(+), 52 deletions(-)
diff --git a/java/org/apache/catalina/startup/HostConfig.java
b/java/org/apache/catalina/startup/HostConfig.java
index b451dacfe4..067d4dab58 100644
--- a/java/org/apache/catalina/startup/HostConfig.java
+++ b/java/org/apache/catalina/startup/HostConfig.java
@@ -394,13 +394,15 @@ public class HostConfig implements LifecycleListener {
* @return 0L if no application with that name is deployed, or the instant
* on which the application was deployed
*/
- public synchronized long getDeploymentTime(String name) {
- DeployedApplication app = deployed.get(name);
- if (app == null) {
- return 0L;
- }
+ public long getDeploymentTime(String name) {
+ synchronized (host) {
+ DeployedApplication app = deployed.get(name);
+ if (app == null) {
+ return 0L;
+ }
- return app.timestamp;
+ return app.timestamp;
+ }
}
@@ -1298,7 +1300,7 @@ public class HostConfig implements LifecycleListener {
* least as long ago as the resolution of the file time stamp
* be skipped
*/
- protected synchronized void checkResources(DeployedApplication app,
+ protected void checkResources(DeployedApplication app,
boolean skipFileModificationResolutionCheck) {
String[] resources =
app.redeployResources.keySet().toArray(new String[0]);
@@ -1697,57 +1699,59 @@ public class HostConfig implements LifecycleListener {
* Check for old versions of applications using parallel deployment that
are
* now unused (have no active sessions) and undeploy any that are found.
*/
- public synchronized void checkUndeploy() {
- if (deployed.size() < 2) {
- return;
- }
-
- // Need ordered set of names
- SortedSet<String> sortedAppNames = new TreeSet<>(deployed.keySet());
-
- Iterator<String> iter = sortedAppNames.iterator();
-
- ContextName previous = new ContextName(iter.next(), false);
- do {
- ContextName current = new ContextName(iter.next(), false);
+ public void checkUndeploy() {
+ synchronized (host) {
+ if (deployed.size() < 2) {
+ return;
+ }
- if (current.getPath().equals(previous.getPath())) {
- // Current and previous are same path - current will always
- // be a later version
- Context previousContext = (Context)
host.findChild(previous.getName());
- Context currentContext = (Context)
host.findChild(current.getName());
- if (previousContext != null && currentContext != null &&
- currentContext.getState().isAvailable() &&
- tryAddServiced(previous.getName())) {
- try {
- Manager manager = previousContext.getManager();
- if (manager != null) {
- int sessionCount;
- if (manager instanceof DistributedManager) {
- sessionCount = ((DistributedManager)
manager).getActiveSessionsFull();
- } else {
- sessionCount = manager.getActiveSessions();
- }
- if (sessionCount == 0) {
- if (log.isInfoEnabled()) {
-
log.info(sm.getString("hostConfig.undeployVersion", previous.getName()));
+ // Need ordered set of names
+ SortedSet<String> sortedAppNames = new
TreeSet<>(deployed.keySet());
+
+ Iterator<String> iter = sortedAppNames.iterator();
+
+ ContextName previous = new ContextName(iter.next(), false);
+ do {
+ ContextName current = new ContextName(iter.next(), false);
+
+ if (current.getPath().equals(previous.getPath())) {
+ // Current and previous are same path - current will always
+ // be a later version
+ Context previousContext = (Context)
host.findChild(previous.getName());
+ Context currentContext = (Context)
host.findChild(current.getName());
+ if (previousContext != null && currentContext != null &&
+ currentContext.getState().isAvailable() &&
+ tryAddServiced(previous.getName())) {
+ try {
+ Manager manager = previousContext.getManager();
+ if (manager != null) {
+ int sessionCount;
+ if (manager instanceof DistributedManager) {
+ sessionCount = ((DistributedManager)
manager).getActiveSessionsFull();
+ } else {
+ sessionCount = manager.getActiveSessions();
+ }
+ if (sessionCount == 0) {
+ if (log.isInfoEnabled()) {
+
log.info(sm.getString("hostConfig.undeployVersion", previous.getName()));
+ }
+ DeployedApplication app =
deployed.get(previous.getName());
+ String[] resources =
app.redeployResources.keySet().toArray(new String[0]);
+ // Version is unused - undeploy it
completely
+ // The -1 is a 'trick' to ensure all
redeploy
+ // resources are removed
+ undeploy(app);
+ deleteRedeployResources(app, resources,
-1, true);
}
- DeployedApplication app =
deployed.get(previous.getName());
- String[] resources =
app.redeployResources.keySet().toArray(new String[0]);
- // Version is unused - undeploy it completely
- // The -1 is a 'trick' to ensure all redeploy
- // resources are removed
- undeploy(app);
- deleteRedeployResources(app, resources, -1,
true);
}
+ } finally {
+ removeServiced(previous.getName());
}
- } finally {
- removeServiced(previous.getName());
}
}
- }
- previous = current;
- } while (iter.hasNext());
+ previous = current;
+ } while (iter.hasNext());
+ }
}
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