Propagate JVM arguments through auto-update. Improve start-up error messages shown by GUI

src/main/java/org/qora/ApplyUpdate.java

@@ -1,11 +1,13 @@
 package org.qora;
 
 import java.io.IOException;
+import java.lang.management.ManagementFactory;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.nio.file.StandardCopyOption;
 import java.security.Security;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
@@ -42,7 +44,10 @@ public class ApplyUpdate {
 		Security.insertProviderAt(new BouncyCastleJsseProvider(), 1);
 
 		// Load/check settings, which potentially sets up blockchain config, etc.
-		Settings.getInstance();
+		if (args.length > 0)
+			Settings.fileInstance(args[0]);
+		else
+			Settings.getInstance();
 
 		LOGGER.info("Applying update...");
 
@@ -54,7 +59,7 @@ public class ApplyUpdate {
 		replaceJar();
 
 		// Restart node
-		restartNode();
+		restartNode(args);
 
 		LOGGER.info("Exiting...");
 	}
@@ -122,7 +127,7 @@ public class ApplyUpdate {
 			LOGGER.error("Failed to replace JAR - giving up");
 	}
 
-	private static void restartNode() {
+	private static void restartNode(String[] args) {
 		String javaHome = System.getProperty("java.home");
 		LOGGER.info(String.format("Java home: %s", javaHome));
 
@@ -133,10 +138,23 @@ public class ApplyUpdate {
 		LOGGER.info(String.format("Windows EXE launcher: %s", exeLauncher));
 
 		List<String> javaCmd;
-		if (Files.exists(exeLauncher))
+		if (Files.exists(exeLauncher)) {
 			javaCmd = Arrays.asList(exeLauncher.toString());
-		else
-			javaCmd = Arrays.asList(javaBinary.toString(), "-jar", JAR_FILENAME);
+		} else {
+			javaCmd = new ArrayList<>();
+			// Java runtime binary itself
+			javaCmd.add(javaBinary.toString());
+
+			// JVM arguments
+			javaCmd.addAll(ManagementFactory.getRuntimeMXBean().getInputArguments());
+
+			// Call mainClass in JAR
+			javaCmd.addAll(Arrays.asList("-jar", JAR_FILENAME));
+
+			if (args.length > 0)
+				// Add settings filename
+				javaCmd.add(args[0]);
+		}
 
 		try {
 			LOGGER.info(String.format("Restarting node with: %s", String.join(" ", javaCmd)));

src/main/java/org/qora/controller/AutoUpdate.java

@@ -4,12 +4,14 @@ import java.awt.TrayIcon.MessageType;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.OutputStream;
+import java.lang.management.ManagementFactory;
 import java.nio.ByteBuffer;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 
@@ -224,7 +226,21 @@ public class AutoUpdate extends Thread {
 		LOGGER.debug(String.format("Java binary: %s", javaBinary));
 
 		try {
-			List<String> javaCmd = Arrays.asList(javaBinary.toString(), "-cp", NEW_JAR_FILENAME, ApplyUpdate.class.getCanonicalName());
+			List<String> javaCmd = new ArrayList<>();
+			// Java runtime binary itself
+			javaCmd.add(javaBinary.toString());
+
+			// JVM arguments
+			javaCmd.addAll(ManagementFactory.getRuntimeMXBean().getInputArguments());
+
+			// Call ApplyUpdate using new JAR
+			javaCmd.addAll(Arrays.asList("-cp", NEW_JAR_FILENAME, ApplyUpdate.class.getCanonicalName()));
+
+			// Are we running with different settings?
+			String settingsFilename = Controller.getInstance().getSettingsFilename();
+			if (settingsFilename != null)
+				javaCmd.add(settingsFilename);
+
 			LOGGER.info(String.format("Applying update with: %s", String.join(" ", javaCmd)));
 
 			SysTray.getInstance().showMessage("Auto Update", "Applying automatic update and restarting...", MessageType.INFO);

src/main/java/org/qora/controller/Controller.java

@@ -121,6 +121,7 @@ public class Controller extends Thread {
 
 	private final String buildVersion;
 	private final long buildTimestamp; // seconds
+	private String settingsFilename;
 
 	private AtomicReference<BlockData> chainTip = new AtomicReference<>();
 
@@ -229,6 +230,10 @@ public class Controller extends Thread {
 		return this.blockchainLock;
 	}
 
+	/* package */ String getSettingsFilename() {
+		return this.settingsFilename;
+	}
+
 	// Entry point
 
 	public static void main(String[] args) {
@@ -259,8 +264,16 @@ public class Controller extends Thread {
 			RepositoryFactory repositoryFactory = new HSQLDBRepositoryFactory(getRepositoryUrl());
 			RepositoryManager.setRepositoryFactory(repositoryFactory);
 		} catch (DataException e) {
-			LOGGER.error("Unable to start repository", e);
-			System.exit(1);
+			// If exception has no cause then repository is in use by some other process.
+			if (e.getCause() == null) {
+				LOGGER.info("Repository in use by another process?");
+				Gui.getInstance().fatalError("Repository issue", "Repository in use by another process?");
+			} else {
+				LOGGER.error("Unable to start repository", e);
+				Gui.getInstance().fatalError("Repository issue", e);
+			}
+
+			return; // Not System.exit() so that GUI can display error
 		}
 
 		LOGGER.info("Validating blockchain");
@@ -276,7 +289,8 @@ public class Controller extends Thread {
 			}
 		} catch (DataException e) {
 			LOGGER.error("Couldn't validate blockchain", e);
-			System.exit(2);
+			Gui.getInstance().fatalError("Blockchain validation issue", e);
+			return; // Not System.exit() so that GUI can display error
 		}
 
 		LOGGER.info("Starting controller");
@@ -288,7 +302,8 @@ public class Controller extends Thread {
 			network.start();
 		} catch (Exception e) {
 			LOGGER.error("Unable to start networking", e);
-			System.exit(1);
+			Gui.getInstance().fatalError("Networking failure", e);
+			return; // Not System.exit() so that GUI can display error
 		}
 
 		Runtime.getRuntime().addShutdownHook(new Thread() {
@@ -318,7 +333,8 @@ public class Controller extends Thread {
 			apiService.start();
 		} catch (Exception e) {
 			LOGGER.error("Unable to start API", e);
-			System.exit(1);
+			Gui.getInstance().fatalError("API failure", e);
+			return; // Not System.exit() so that GUI can display error
 		}
 
 		LOGGER.info(String.format("Starting node management UI on port %d", Settings.getInstance().getUiPort()));
@@ -327,7 +343,8 @@ public class Controller extends Thread {
 			uiService.start();
 		} catch (Exception e) {
 			LOGGER.error("Unable to start node management UI", e);
-			System.exit(1);
+			Gui.getInstance().fatalError("Node management UI failure", e);
+			return; // Not System.exit() so that GUI can display error
 		}
 
 		// If GUI is enabled, we're no longer starting up but actually running now

src/main/java/org/qora/gui/Gui.java

@@ -90,4 +90,12 @@ public class Gui {
 		System.exit(0);
 	}
 
+	public void fatalError(String title, Exception e) {
+		String message = e.getLocalizedMessage();
+		if (e.getCause() != null && e.getCause().getLocalizedMessage() != null)
+			message += ": " + e.getCause().getLocalizedMessage();
+
+		this.fatalError(title, message);
+	}
+
 }

src/main/java/org/qora/network/Network.java

@@ -136,10 +136,10 @@ public class Network {
 			serverChannel.register(channelSelector, SelectionKey.OP_ACCEPT);
 		} catch (UnknownHostException e) {
 			LOGGER.error(String.format("Can't bind listen socket to address %s", Settings.getInstance().getBindAddress()));
-			throw new RuntimeException("Can't bind listen socket to address");
+			throw new RuntimeException("Can't bind listen socket to address", e);
 		} catch (IOException e) {
 			LOGGER.error(String.format("Can't create listen socket: %s", e.getMessage()));
-			throw new RuntimeException("Can't create listen socket");
+			throw new RuntimeException("Can't create listen socket", e);
 		}
 
 		connectedPeers = new ArrayList<>();

src/main/java/org/qora/repository/hsqldb/HSQLDBRepositoryFactory.java

@@ -26,6 +26,13 @@ public class HSQLDBRepositoryFactory implements RepositoryFactory {
 	private String connectionUrl;
 	private HSQLDBPool connectionPool;
 
+	/**
+	 * Constructs new RepositoryFactory using passed <tt>connectionUrl</tt>.
+	 * 
+	 * @param connectionUrl
+	 * @throws DataException <i>without throwable</i> if repository in use by another process.
+	 * @throws DataException <i>with throwable</i> if repository cannot be opened for someother reason.
+	 */
 	public HSQLDBRepositoryFactory(String connectionUrl) throws DataException {
 		// one-time initialization goes in here
 		this.connectionUrl = connectionUrl;
@@ -36,12 +43,15 @@ public class HSQLDBRepositoryFactory implements RepositoryFactory {
 		} catch (SQLException e) {
 			Throwable cause = e.getCause();
 			if (!(cause instanceof HsqlException))
-				throw new DataException("Unable to open repository: " + e.getMessage());
+				throw new DataException("Unable to open repository: " + e.getMessage(), e);
 
 			HsqlException he = (HsqlException) cause;
-			if (he.getErrorCode() != -ErrorCode.ERROR_IN_LOG_FILE && he.getErrorCode() != -ErrorCode.M_DatabaseScriptReader_read)
+			if (he.getErrorCode() == -ErrorCode.LOCK_FILE_ACQUISITION_FAILURE)
 				throw new DataException("Unable to open repository: " + e.getMessage());
 
+			if (he.getErrorCode() != -ErrorCode.ERROR_IN_LOG_FILE && he.getErrorCode() != -ErrorCode.M_DatabaseScriptReader_read)
+				throw new DataException("Unable to open repository: " + e.getMessage(), e);
+
 			// Attempt recovery?
 			HSQLDBRepository.attemptRecovery(connectionUrl);
 		}