Fixed more warnings

src/main/java/com/hierynomus/sshj/transport/IdentificationStringParser.java

@@ -62,8 +62,11 @@ public class IdentificationStringParser {
         }
     }
 
-    private void logHeaderLine(Buffer.PlainBuffer lineBuffer) {
-
+    private void logHeaderLine(Buffer.PlainBuffer lineBuffer) throws Buffer.BufferException {
+        byte[] bytes = new byte[lineBuffer.available()];
+        lineBuffer.readRawBytes(bytes);
+        String header = new String(bytes, 0, bytes.length - 1);
+        log.debug("Received header: {}", header);
     }
 
     private String readIdentification(Buffer.PlainBuffer lineBuffer) throws Buffer.BufferException, TransportException {

src/main/java/net/schmizz/sshj/common/SecurityUtils.java

@@ -254,7 +254,7 @@ public class SecurityUtils {
                     throw new SSHRuntimeException("Failed to register BouncyCastle as the defaut JCE provider");
                 }
             }
+            registrationDone = true;
         }
-        registrationDone = true;
     }
 }

src/main/java/net/schmizz/sshj/connection/channel/AbstractChannel.java

@@ -329,6 +329,8 @@ public abstract class AbstractChannel
 
     protected void gotUnknown(Message msg, SSHPacket buf)
             throws ConnectionException, TransportException {
+        log.warn("Got unknown packet with type {}", msg);
+
     }
 
     protected void handleRequest(String reqType, SSHPacket buf)

src/main/java/net/schmizz/sshj/sftp/PacketReader.java

@@ -24,10 +24,11 @@ import java.io.InputStream;
 import java.util.Map;
 import java.util.concurrent.ConcurrentHashMap;
 
-public class PacketReader
-        extends Thread {
+public class PacketReader extends Thread {
 
-    /** Logger */
+    /**
+     * Logger
+     */
     private final Logger log;
 
     private final InputStream in;
@@ -63,7 +64,7 @@ public class PacketReader
                 | lenBuf[3] & 0x000000ffL);
 
         if (len > SFTPPacket.MAX_SIZE) {
-        	throw new SSHException(String.format("Indicated packet length %d too large", len));
+            throw new SSHException(String.format("Indicated packet length %d too large", len));
         }
 
         return (int) len;
@@ -99,7 +100,7 @@ public class PacketReader
         log.debug("Received {} packet", resp.getType());
         if (promise == null)
             throw new SFTPException("Received [" + resp.readType() + "] response for request-id " + resp.getRequestID()
-                                            + ", no such request was made");
+                    + ", no such request was made");
         else
             promise.deliver(resp);
     }

src/main/java/net/schmizz/sshj/sftp/RemoteFile.java

@@ -81,10 +81,10 @@ public class RemoteFile
     protected Promise<Response, SFTPException> asyncWrite(long fileOffset, byte[] data, int off, int len)
             throws IOException {
         return requester.request(newRequest(PacketType.WRITE)
-                        .putUInt64(fileOffset)
-                        // TODO The SFTP spec claims this field is unneeded...? See #187
-                        .putUInt32(len)
-                        .putRawBytes(data, off, len)
+                .putUInt64(fileOffset)
+                // TODO The SFTP spec claims this field is unneeded...? See #187
+                .putUInt32(len)
+                .putRawBytes(data, off, len)
         );
     }
 
@@ -194,10 +194,10 @@ public class RemoteFile
 
         @Override
         public long skip(long n) throws IOException {
-			final long fileLength = length();
-			final Long previousFileOffset = fileOffset;
-			fileOffset = Math.min(fileOffset + n, fileLength);
-			return fileOffset - previousFileOffset;
+            final long fileLength = length();
+            final Long previousFileOffset = fileOffset;
+            fileOffset = Math.min(fileOffset + n, fileLength);
+            return fileOffset - previousFileOffset;
         }
 
         @Override
@@ -341,7 +341,7 @@ public class RemoteFile
         public int available() throws IOException {
             boolean lastRead = true;
             while (!eof && (pending.available() <= 0) && lastRead) {
-              lastRead = retrieveUnconfirmedRead(false /*blocking*/);
+                lastRead = retrieveUnconfirmedRead(false /*blocking*/);
             }
             return pending.available();
         }

src/main/java/net/schmizz/sshj/transport/cipher/NoneCipher.java

@@ -46,10 +46,12 @@ public class NoneCipher
 
     @Override
     public void init(Mode mode, byte[] bytes, byte[] bytes1) {
+        // Nothing to do
     }
 
     @Override
     public void update(byte[] input, int inputOffset, int inputLen) {
+        // Nothing to do
     }
 
 }

src/test/java/net/schmizz/sshj/util/gss/BogusGSSContext.java

@@ -70,7 +70,9 @@ public class BogusGSSContext
     }
 
     @Override
-    public void dispose() throws GSSException {}
+    public void dispose() throws GSSException {
+        // Nothing to do
+    }
 
     @Override
     public int getWrapSizeLimit(int qop, boolean confReq, int maxTokenSize) throws GSSException {

src/test/java/net/schmizz/sshj/util/gss/BogusGSSCredential.java

@@ -34,7 +34,9 @@ public class BogusGSSCredential
     }
 
     @Override
-    public void dispose() throws GSSException {}
+    public void dispose() throws GSSException {
+        // Nothing to do
+    }
 
     @Override
     public GSSName getName() throws GSSException {