[Java] Warnings cleanup.

aeron-archive/src/main/java/io/aeron/archive/client/ArchiveEvent.java

@@ -24,6 +24,8 @@
  */
 public class ArchiveEvent extends AeronEvent
 {
+    private static final long serialVersionUID = 6814756736866124884L;
+
     /**
      * Archive event with provided message and {@link io.aeron.exceptions.AeronException.Category#WARN}.
      *

aeron-archive/src/main/java/io/aeron/archive/client/ArchiveException.java

@@ -93,6 +93,8 @@ public class ArchiveException extends AeronException
      */
     public static final int UNAUTHORISED_ACTION = 13;
 
+    private static final long serialVersionUID = 386758252787901080L;
+
     private final int errorCode;
     private final long correlationId;
 

aeron-client/src/main/java/io/aeron/Aeron.java

@@ -1576,6 +1576,7 @@ private void connectToDriver()
         }
     }
 
+    @SuppressWarnings("try")
     private static MappedByteBuffer waitForFileMapping(final File file, final EpochClock clock, final long deadlineMs)
     {
         while (true)

aeron-client/src/main/java/io/aeron/exceptions/AeronEvent.java

@@ -22,6 +22,7 @@
 public class AeronEvent extends AeronException
 {
     private static final StackTraceElement[] EMPTY_STACK = new StackTraceElement[0];
+    private static final long serialVersionUID = 2520658673245952222L;
 
     /**
      * Aeron event with provided message and {@link AeronException.Category#WARN}.

aeron-client/src/main/java/io/aeron/exceptions/AeronException.java

@@ -20,6 +20,8 @@
  */
 public class AeronException extends RuntimeException
 {
+    private static final long serialVersionUID = -8399166154162189622L;
+
     /**
      * Category of {@link Exception}.
      */

aeron-client/src/main/java/io/aeron/exceptions/ChannelEndpointException.java

@@ -21,6 +21,8 @@
  */
 public class ChannelEndpointException extends AeronException
 {
+    private static final long serialVersionUID = 6810249167217382358L;
+
     /**
      * Counter id for the status indicator of the channel.
      */

aeron-client/src/main/java/io/aeron/exceptions/ClientTimeoutException.java

@@ -23,6 +23,8 @@
  */
 public class ClientTimeoutException extends TimeoutException
 {
+    private static final long serialVersionUID = 4085394356371474876L;
+
     /**
      * Construct the client timeout exception with detail message.
      *

aeron-client/src/main/java/io/aeron/exceptions/ConcurrentConcludeException.java

@@ -21,4 +21,5 @@
  */
 public class ConcurrentConcludeException extends AeronException
 {
+    private static final long serialVersionUID = 684839776662091577L;
 }

aeron-client/src/main/java/io/aeron/exceptions/ConductorServiceTimeoutException.java

@@ -23,6 +23,8 @@
  */
 public class ConductorServiceTimeoutException extends TimeoutException
 {
+    private static final long serialVersionUID = 4289404220974757441L;
+
     /**
      * Construct the exception for the service interval timeout with detailed message.
      *

aeron-client/src/main/java/io/aeron/exceptions/ConfigurationException.java

@@ -20,6 +20,8 @@
  */
 public class ConfigurationException extends AeronException
 {
+    private static final long serialVersionUID = 2545086690221965112L;
+
     /**
      * Construct an exception with detail for the configuration error.
      *

aeron-client/src/main/java/io/aeron/exceptions/ControlProtocolException.java

@@ -22,6 +22,8 @@
  */
 public class ControlProtocolException extends AeronException
 {
+    private static final long serialVersionUID = -6491010363479568113L;
+
     /**
      * The {@link ErrorCode} indicating more specific issue experienced by the media driver.
      */

aeron-client/src/main/java/io/aeron/exceptions/DriverTimeoutException.java

@@ -20,6 +20,8 @@
  */
 public class DriverTimeoutException extends TimeoutException
 {
+    private static final long serialVersionUID = -334819963402642904L;
+
     /**
      * Construct the exception for driver timeout due to lack of heartbeat.
      *

aeron-client/src/main/java/io/aeron/exceptions/RegistrationException.java

@@ -23,6 +23,8 @@
  */
 public class RegistrationException extends AeronException
 {
+    private static final long serialVersionUID = 9076689715024983035L;
+
     /**
      * The correlation id of the command to register the resource action.
      */

aeron-client/src/main/java/io/aeron/exceptions/TimeoutException.java

@@ -20,6 +20,8 @@
  */
 public class TimeoutException extends AeronException
 {
+    private static final long serialVersionUID = 339608646881678251L;
+
     /**
      * Default timeout exception as {@link AeronException.Category#ERROR}.
      */

aeron-client/src/main/java/io/aeron/logbuffer/LogBufferUnblocker.java

@@ -60,7 +60,8 @@ public static boolean unblock(
         {
             case UNBLOCKED_TO_END:
                 rotateLog(logMetaDataBuffer, blockedTermCount, termId);
-                // fall through
+                return true;
+
             case UNBLOCKED:
                 return true;
         }

aeron-client/src/main/java/io/aeron/security/AuthenticationException.java

@@ -22,6 +22,8 @@
  */
 public class AuthenticationException extends AeronException
 {
+    private static final long serialVersionUID = -3205449285259494699L;
+
     /**
      * Default exception as {@link io.aeron.exceptions.AeronException.Category#ERROR}.
      */

aeron-cluster/src/main/java/io/aeron/cluster/client/ClusterEvent.java

@@ -24,6 +24,8 @@
  */
 public class ClusterEvent extends AeronEvent
 {
+    private static final long serialVersionUID = -3787117048989508866L;
+
     /**
      * Cluster event with provided message and {@link io.aeron.exceptions.AeronException.Category#WARN}.
      *

aeron-cluster/src/main/java/io/aeron/cluster/client/ClusterException.java

@@ -22,6 +22,8 @@
  */
 public class ClusterException extends AeronException
 {
+    private static final long serialVersionUID = -2688245045186545277L;
+
     /**
      * Default Cluster exception as {@link io.aeron.exceptions.AeronException.Category#ERROR}.
      */

aeron-cluster/src/main/java/io/aeron/cluster/service/ClusterTerminationException.java

@@ -22,4 +22,5 @@
  */
 public class ClusterTerminationException extends AgentTerminationException
 {
+    private static final long serialVersionUID = -2705156056823180407L;
 }

aeron-driver/src/main/java/io/aeron/driver/exceptions/ActiveDriverException.java

@@ -22,6 +22,8 @@
  */
 public class ActiveDriverException extends AeronException
 {
+    private static final long serialVersionUID = 2539364003811295552L;
+
     /**
      * Exception with provided message and {@link io.aeron.exceptions.AeronException.Category#ERROR}.
      *

aeron-driver/src/main/java/io/aeron/driver/exceptions/InvalidChannelException.java

@@ -23,6 +23,8 @@
  */
 public class InvalidChannelException extends ControlProtocolException
 {
+    private static final long serialVersionUID = 8395688431913848255L;
+
     /**
      * Exception with provided message and {@link io.aeron.exceptions.AeronException.Category#ERROR} and
      * {@link ErrorCode#INVALID_CHANNEL}.

aeron-driver/src/main/java/io/aeron/driver/exceptions/UnknownSubscriptionException.java

@@ -22,6 +22,8 @@
  */
 public class UnknownSubscriptionException extends AeronException
 {
+    private static final long serialVersionUID = 8934006869519172332L;
+
     /**
      * Exception with provided message and {@link io.aeron.exceptions.AeronException.Category#ERROR}.
      *