v3.3.0

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## 3.3.0 (2018-09-26)
+
+* Capture trace of error reporting thread and identify with boolean flag
+  [#87](https://github.com/bugsnag/bugsnag-java/pull/87)
+
 ## 3.2.1 (2018-08-21)
 
 * Add null check when disconnecting HttpUrlConnection

gradle.properties

@@ -1,4 +1,4 @@
-version=3.2.1
+version=3.3.0
 group=com.bugsnag
 
 # Default properties

src/main/java/com/bugsnag/Bugsnag.java

@@ -354,7 +354,7 @@ public boolean notify(Throwable throwable, Severity severity, Callback callback)
 
         HandledState handledState = HandledState.newInstance(
                 HandledState.SeverityReasonType.REASON_USER_SPECIFIED, severity);
-        Report report = new Report(config, throwable, handledState);
+        Report report = new Report(config, throwable, handledState, Thread.currentThread());
         return notify(report, callback);
     }
 
@@ -372,8 +372,8 @@ public boolean notify(Report report) {
     }
 
 
-    boolean notify(Throwable throwable, HandledState handledState) {
-        Report report = new Report(config, throwable, handledState);
+    boolean notify(Throwable throwable, HandledState handledState, Thread currentThread) {
+        Report report = new Report(config, throwable, handledState, currentThread);
         return notify(report, null);
     }
 

src/main/java/com/bugsnag/ExceptionHandler.java

@@ -55,7 +55,7 @@ public void uncaughtException(Thread thread, Throwable throwable) {
 
             HandledState handledState = HandledState.newInstance(
                     HandledState.SeverityReasonType.REASON_UNHANDLED_EXCEPTION, Severity.ERROR);
-            bugsnag.notify(throwable, handledState);
+            bugsnag.notify(throwable, handledState, thread);
         }
 
         // Pass exception on to original exception handler

src/main/java/com/bugsnag/Notifier.java

@@ -4,7 +4,7 @@
 
 class Notifier {
     private static final String NOTIFIER_NAME = "Bugsnag Java";
-    private static final String NOTIFIER_VERSION = "3.2.1";
+    private static final String NOTIFIER_VERSION = "3.3.0";
     private static final String NOTIFIER_URL = "https://github.com/bugsnag/bugsnag-java";
 
     @Expose

src/main/java/com/bugsnag/Report.java

@@ -24,6 +24,7 @@ public class Report {
     private Diagnostics diagnostics;
     private boolean shouldCancel = false;
     private Session session;
+    private final List<ThreadState> threadStates;
 
     /**
      * Create a report for the error.
@@ -33,15 +34,24 @@ public class Report {
      */
     protected Report(Configuration config, Throwable throwable) {
         this(config, throwable, HandledState.newInstance(
-                HandledState.SeverityReasonType.REASON_HANDLED_EXCEPTION));
+                HandledState.SeverityReasonType.REASON_HANDLED_EXCEPTION), Thread.currentThread());
     }
 
-    Report(Configuration config, Throwable throwable, HandledState handledState) {
+    Report(Configuration config, Throwable throwable,
+           HandledState handledState, Thread currentThread) {
         this.config = config;
         this.exception = new Exception(config, throwable);
         this.handledState = handledState;
         this.severity = handledState.getOriginalSeverity();
         diagnostics = new Diagnostics(this.config);
+
+        if (config.sendThreads) {
+            Throwable exc = handledState.isUnhandled() ? throwable : null;
+            Map<Thread, StackTraceElement[]> allStackTraces = Thread.getAllStackTraces();
+            threadStates = ThreadState.getLiveThreads(config, currentThread, allStackTraces, exc);
+        } else {
+            threadStates = null;
+        }
     }
 
     @Expose
@@ -80,7 +90,7 @@ SeverityReason getSeverityReason() {
 
     @Expose
     protected List<ThreadState> getThreads() {
-        return config.sendThreads ? ThreadState.getLiveThreads(config) : null;
+        return threadStates;
     }
 
     @Expose

src/main/java/com/bugsnag/ThreadState.java

@@ -9,20 +9,33 @@
 import java.util.Map;
 
 class ThreadState {
-    private Configuration config;
-    private Thread thread;
-    private StackTraceElement[] stackTraceElements;
+
+    private final Configuration config;
+    private final Thread thread;
+    private final StackTraceElement[] stackTraceElements;
+    private Boolean errorReportingThread;
 
     ThreadState(Configuration config, Thread thread, StackTraceElement[] stackTraceElements) {
         this.config = config;
         this.thread = thread;
         this.stackTraceElements = stackTraceElements;
     }
 
-    static List<ThreadState> getLiveThreads(Configuration config) {
+    static List<ThreadState> getLiveThreads(Configuration config,
+                                            Thread currentThread,
+                                            Map<Thread, StackTraceElement[]> liveThreads,
+                                            Throwable exc) {
         // Get current thread id (the crashing thread) and stacktraces for all live threads
-        long crashingThreadId = Thread.currentThread().getId();
-        Map<Thread, StackTraceElement[]> liveThreads = Thread.getAllStackTraces();
+        long crashingThreadId = currentThread.getId();
+
+        // if thread is not present for any reason, add the current stacktrace to the map
+        // so that the errorReportingThread will always be reported
+        if (!liveThreads.containsKey(currentThread)) {
+            liveThreads.put(currentThread, currentThread.getStackTrace());
+        }
+        if (exc != null) { // unhandled errors use the exception trace
+            liveThreads.put(currentThread, exc.getStackTrace());
+        }
 
         // Sort threads by thread-id
         Object[] keys = liveThreads.keySet().toArray();
@@ -33,19 +46,16 @@ public int compare(Object first, Object second) {
         });
 
         List<ThreadState> threads = new ArrayList<ThreadState>();
-        for (int i = 0; i < keys.length; i++) {
-            Thread thread = (Thread) keys[i];
-
-            // Don't show the current stacktrace here. It'll point at this method
-            // rather than at the point they crashed.
-            if (thread.getId() == crashingThreadId) {
-                continue;
-            }
 
+        for (Object key : keys) {
+            Thread thread = (Thread) key;
             ThreadState threadState = new ThreadState(config, thread, liveThreads.get(thread));
             threads.add(threadState);
-        }
 
+            if (threadState.getId() == crashingThreadId) {
+                threadState.setErrorReportingThread(true);
+            }
+        }
         return threads;
     }
 
@@ -63,4 +73,13 @@ public String getName() {
     public List<Stackframe> getStacktrace() {
         return Stackframe.getStacktrace(config, stackTraceElements);
     }
+
+    @JsonProperty("errorReportingThread")
+    public Boolean isErrorReportingThread() {
+        return errorReportingThread;
+    }
+
+    public void setErrorReportingThread(Boolean errorReportingThread) {
+        this.errorReportingThread = errorReportingThread;
+    }
 }

src/test/java/com/bugsnag/HandledStatePayloadTest.java

@@ -107,7 +107,7 @@ public void testCallbackSpecified() throws Exception {
     }
 
     private Report reportFromHandledState(HandledState handledState) {
-        return new Report(config, new RuntimeException(), handledState);
+        return new Report(config, new RuntimeException(), handledState, Thread.currentThread());
     }
 
     private JsonNode getJsonPayloadFromReport(Report report) throws IOException {