Catch IllegalArgumentException in VirtualThreadMetrics (#6584)

genuss · web-flow · commit 970685ec3e21 · 2025-08-01T15:29:19.000-07:00
IllegalArgumentException may be thrown by
ManagementFactory#getPlatformMXBean() in case if is not a
platform management interface or not a singleton platform MXBean.

Signed-off-by: Alexey Genus &lt;genus.alexey@gmail.com&gt;
diff --git a/micrometer-java21/src/main/java/io/micrometer/java21/instrument/binder/jdk/VirtualThreadMetrics.java b/micrometer-java21/src/main/java/io/micrometer/java21/instrument/binder/jdk/VirtualThreadMetrics.java
@@ -121,7 +121,8 @@ private void bindVirtualThreadSchedulerMXBean(MeterRegistry registry) {
                 .description(LIVE_THREADS_DESCRIPTION)
                 .register(registry);
         }
-        catch (ClassNotFoundException | ClassCastException | NoSuchMethodException | IllegalAccessException ignored) {
+        catch (ClassNotFoundException | ClassCastException | NoSuchMethodException | IllegalAccessException
+                | IllegalArgumentException ignored) {
             // cannot instrument VirtualThreadSchedulerMXBean
         }
     }

Original file line number	Diff line number	Diff line change
`@@ -121,7 +121,8 @@ private void bindVirtualThreadSchedulerMXBean(MeterRegistry registry) {`
`121`	`121`	`.description(LIVE_THREADS_DESCRIPTION)`
`122`	`122`	`.register(registry);`
`123`	`123`	`}`
`124`		`- catch (ClassNotFoundException \| ClassCastException \| NoSuchMethodException \| IllegalAccessException ignored) {`
	`124`	`+ catch (ClassNotFoundException \| ClassCastException \| NoSuchMethodException \| IllegalAccessException`
	`125`	`+ \| IllegalArgumentException ignored) {`
`125`	`126`	`// cannot instrument VirtualThreadSchedulerMXBean`
`126`	`127`	`}`
`127`	`128`	`}`