Use exception class name when there is no message

Some exceptions have no message, like null pointer exceptions.  Showing
the class name seems more helpful than "no details", since it can save
you a trip to the logs.

Author: code-asher

src/main/kotlin/com/coder/gateway/CoderRemoteConnectionHandle.kt

@@ -68,7 +68,7 @@ class CoderRemoteConnectionHandle {
                         // indicator.text2 is the text below the progress bar.
                         indicator.text2 =
                             if (isWorkerTimeout(e)) "Failed to upload worker binary...it may have timed out"
-                            else e.message ?: CoderGatewayBundle.message("gateway.connector.no-details")
+                            else e.message ?: e.javaClass.simpleName
                     },
                     onCountdown = { remainingMs ->
                         indicator.text = CoderGatewayBundle.message("gateway.connector.coder.connecting.failed.retry", humanizeDuration(remainingMs))
@@ -84,14 +84,14 @@ class CoderRemoteConnectionHandle {
                 recentConnectionsService.addRecentConnection(parameters.toRecentWorkspaceConnection())
             } catch (e: Exception) {
                 if (isCancellation(e)) {
-                    logger.info("Connection canceled due to ${e.javaClass}")
+                    logger.info("Connection canceled due to ${e.javaClass.simpleName}")
                 } else {
-                    logger.info("Failed to connect (will not retry)", e)
+                    logger.error("Failed to connect (will not retry)", e)
                     // The dialog will close once we return so write the error
                     // out into a new dialog.
                     ApplicationManager.getApplication().invokeAndWait {
                         Messages.showMessageDialog(
-                            e.message ?: CoderGatewayBundle.message("gateway.connector.no-details"),
+                            e.message ?: e.javaClass.simpleName,
                             CoderGatewayBundle.message("gateway.connector.coder.connection.failed"),
                             Messages.getErrorIcon())
                     }

src/main/kotlin/com/coder/gateway/views/steps/CoderLocateRemoteProjectStepView.kt

@@ -213,7 +213,7 @@ class CoderLocateRemoteProjectStepView(private val setNextButtonEnabled: (Boolea
                         cbIDEComment.foreground = UIUtil.getErrorForeground()
                         cbIDEComment.text =
                             if (isWorkerTimeout(e)) "Failed to upload worker binary...it may have timed out.  Check the command log for more details."
-                            else e.message ?: CoderGatewayBundle.message("gateway.connector.no-details")
+                            else e.message ?: e.javaClass.simpleName
                     },
                     onCountdown = { remainingMs ->
                         cbIDE.renderer = IDECellRenderer(CoderGatewayBundle.message("gateway.connector.view.coder.retrieve-ides.failed.retry", humanizeDuration(remainingMs)))
@@ -225,11 +225,11 @@ class CoderLocateRemoteProjectStepView(private val setNextButtonEnabled: (Boolea
                 }
             } catch (e: Exception) {
                 if (isCancellation(e)) {
-                    logger.info("Connection canceled due to ${e.javaClass}")
+                    logger.info("Connection canceled due to ${e.javaClass.simpleName}")
                 } else {
                     logger.error("Failed to retrieve IDEs (will not retry)", e)
                     cbIDEComment.foreground = UIUtil.getErrorForeground()
-                    cbIDEComment.text = e.message ?: CoderGatewayBundle.message("gateway.connector.no-details")
+                    cbIDEComment.text = e.message ?: e.javaClass.simpleName
                     cbIDE.renderer = IDECellRenderer(CoderGatewayBundle.message("gateway.connector.view.coder.retrieve-ides.failed"), UIUtil.getBalloonErrorIcon())
                 }
             }

src/main/resources/messages/CoderGatewayBundle.properties

@@ -87,4 +87,3 @@ gateway.connector.settings.enable-binary-directory-fallback.title=Fall back to d
 gateway.connector.settings.enable-binary-directory-fallback.comment=Checking this \
   box will allow the plugin to fall back to the data directory when the CLI \
   directory is not writable.
-gateway.connector.no-details="The error did not provide any further details"