Michael Blow has submitted this change and it was merged.

Change subject: [NO ISSUE] Don't attempt to log FDs on Windows
......................................................................


[NO ISSUE] Don't attempt to log FDs on Windows

Hyracks collects FD info from the UnixOperatingSystemMXBean; this is not
available on Windows.  Avoid trying to use these methods and logging a
NoSuchMethodError when running on Windows.

Change-Id: I7613af4599639d4a5337bb2a45e359660a3faeec
Reviewed-on: https://asterix-gerrit.ics.uci.edu/2692
Sonar-Qube: Jenkins <[email protected]>
Tested-by: Jenkins <[email protected]>
Integration-Tests: Jenkins <[email protected]>
Reviewed-by: abdullah alamoudi <[email protected]>
---
M 
hyracks-fullstack/hyracks/hyracks-util/src/main/java/org/apache/hyracks/util/MXHelper.java
1 file changed, 16 insertions(+), 10 deletions(-)

Approvals:
  Anon. E. Moose #1000171: 
  abdullah alamoudi: Looks good to me, approved
  Jenkins: Verified; No violations found; Verified



diff --git 
a/hyracks-fullstack/hyracks/hyracks-util/src/main/java/org/apache/hyracks/util/MXHelper.java
 
b/hyracks-fullstack/hyracks/hyracks-util/src/main/java/org/apache/hyracks/util/MXHelper.java
index ce20d37..4c6ff57 100644
--- 
a/hyracks-fullstack/hyracks/hyracks-util/src/main/java/org/apache/hyracks/util/MXHelper.java
+++ 
b/hyracks-fullstack/hyracks/hyracks-util/src/main/java/org/apache/hyracks/util/MXHelper.java
@@ -28,6 +28,7 @@
 import java.util.Collections;
 import java.util.List;
 
+import org.apache.commons.lang3.SystemUtils;
 import org.apache.logging.log4j.Level;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
@@ -44,16 +45,21 @@
     private static Method getMaxFileDescriptorCount;
 
     static {
-        try {
-            getOpenFileDescriptorCount = 
osMXBean.getClass().getMethod("getOpenFileDescriptorCount");
-            getMaxFileDescriptorCount = 
osMXBean.getClass().getDeclaredMethod("getMaxFileDescriptorCount");
-            getOpenFileDescriptorCount.setAccessible(true);
-            getMaxFileDescriptorCount.setAccessible(true);
-        } catch (Throwable th) { // NOSONAR: diagnostic code shouldn't cause 
server failure
-            getOpenFileDescriptorCount = null;
-            getMaxFileDescriptorCount = null;
-            LOGGER.log(Level.WARN, "Failed setting up the methods to get the 
number of file descriptors through {}",
-                    osMXBean.getClass().getName(), th);
+        if (SystemUtils.IS_OS_WINDOWS) {
+            LOGGER.info("Access to file descriptors (FDs) is not available on 
Windows; FD info will not be logged");
+        } else {
+            Class<? extends OperatingSystemMXBean> osMXBeanClass = 
osMXBean.getClass();
+            try {
+                getOpenFileDescriptorCount = 
osMXBeanClass.getMethod("getOpenFileDescriptorCount");
+                getMaxFileDescriptorCount = 
osMXBeanClass.getDeclaredMethod("getMaxFileDescriptorCount");
+                getOpenFileDescriptorCount.setAccessible(true);
+                getMaxFileDescriptorCount.setAccessible(true);
+            } catch (Throwable th) { // NOSONAR: diagnostic code shouldn't 
cause server failure
+                getOpenFileDescriptorCount = null;
+                getMaxFileDescriptorCount = null;
+                LOGGER.warn("Failed setting up the methods to get the number 
of file descriptors through {}",
+                        osMXBeanClass.getName(), th);
+            }
         }
     }
 

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Gerrit-MessageType: merged
Gerrit-Change-Id: I7613af4599639d4a5337bb2a45e359660a3faeec
Gerrit-PatchSet: 2
Gerrit-Project: asterixdb
Gerrit-Branch: release-0.9.4-pre-rc
Gerrit-Owner: Michael Blow <[email protected]>
Gerrit-Reviewer: Anon. E. Moose #1000171
Gerrit-Reviewer: Jenkins <[email protected]>
Gerrit-Reviewer: Michael Blow <[email protected]>
Gerrit-Reviewer: Murtadha Hubail <[email protected]>
Gerrit-Reviewer: Till Westmann <[email protected]>
Gerrit-Reviewer: abdullah alamoudi <[email protected]>

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