diff --git a/admin/j14pack.bat b/admin/j14pack.bat
index 2cfc58286..0ae5cf528 100644
--- a/admin/j14pack.bat
+++ b/admin/j14pack.bat
@@ -1,6 +1,7 @@
 set PATH=d:\jdk-14\bin;%PATH%
 
 rm -r c:\tmp\_
+rm -r c:\tmp\myjre
 mkdir c:\tmp\_
 cd ..
 
@@ -39,7 +40,9 @@ cp admin\databrowserlauncher.properties c:\tmp\_
 
 cd c:\tmp\_
 
-jpackage --name myapp --input . --main-jar jailer.jar --type msi --icon jailer.ico --win-menu --win-menu-group JailerJ14 --vendor Wisser --app-version 2.6 --win-upgrade-uuid d636b4ee-6f10-451e-bf57-c89656780e22 --add-launcher "Jailer Data Browser"=databrowserlauncher.properties
+jlink --add-modules java.base,java.datatransfer,java.desktop,java.logging,java.management,java.scripting,java.sql,java.xml,java.rmi,java.scripting,java.xml.crypto --output myjre 
+
+jpackage --name myapp --input . --main-jar jailer.jar --type msi --icon jailer.ico --win-menu --win-menu-group JailerJ14 --vendor Wisser --app-version 2.9 --win-upgrade-uuid d636b4ee-6f10-451e-bf57-c89656780e22 --add-launcher "Jailer Data Browser"=databrowserlauncher.properties --runtime-image myjre
 
 
 pause
diff --git a/admin/j14pack.sh b/admin/j14pack.sh
new file mode 100644
index 000000000..f1fb17837
--- /dev/null
+++ b/admin/j14pack.sh
@@ -0,0 +1,44 @@
+
+rm -r ~/tmp/_
+mkdir ~/tmp/_
+rm -r ~/tmp/myjre
+cd ..
+
+cp -r bookmark ~/tmp/_
+cp -r build.xml ~/tmp/_
+cp -r config ~/tmp/_
+cp -r datamodel ~/tmp/_
+cp -r dbeauty.bat ~/tmp/_
+cp -r dbeauty.exe ~/tmp/_
+cp -r dbeauty.sh ~/tmp/_
+cp -r demo-sakila-1.4.mv.db ~/tmp/_
+cp -r demo-scott-1.4.mv.db ~/tmp/_
+cp -r demo-scott-subset-1.4.mv.db ~/tmp/_
+cp -r driverlist.csv ~/tmp/_
+cp -r extractionmodel ~/tmp/_
+cp -r jailer.bat ~/tmp/_
+cp -r Jailer.exe ~/tmp/_
+cp -r jailer.jar ~/tmp/_
+cp -r jailer.sh ~/tmp/_
+cp -r jailer.xml ~/tmp/_
+cp -r jailerDataBrowser.bat ~/tmp/_
+cp -r JailerDataBrowser.exe ~/tmp/_
+cp -r jailerDataBrowser.sh ~/tmp/_
+cp -r jailerGUI.bat ~/tmp/_
+cp -r jailerGUI.sh ~/tmp/_
+cp -r layout ~/tmp/_
+cp -r lib ~/tmp/_
+cp -r license-prefuse.txt ~/tmp/_
+cp -r license.txt ~/tmp/_
+cp -r manifest.mf ~/tmp/_
+cp -r README.md ~/tmp/_
+cp -r releasenotes.txt ~/tmp/_
+cp -r render ~/tmp/_
+cp admin/jailer.png ~/tmp/_
+cp admin/databrowserlauncher.properties ~/tmp/_
+
+cd ~/tmp/_
+
+~/jdk-14/bin/jlink --add-modules java.base,java.datatransfer,java.desktop,java.logging,java.management,java.scripting,java.sql,java.xml,java.rmi,java.scripting,java.xml.crypto --output myjre 
+
+~/jdk-14/bin/jpackage --name Jailer --input . --main-jar jailer.jar --type deb --icon jailer.png --vendor Wisser --app-version 2.8 --add-launcher "Jailer Data Browser"=databrowserlauncher.properties --runtime-image myjre
diff --git a/admin/jailer.png b/admin/jailer.png
new file mode 100644
index 000000000..9e2ada84f
Binary files /dev/null and b/admin/jailer.png differ
diff --git a/src/main/gui/net/sf/jailer/ui/Environment.java b/src/main/gui/net/sf/jailer/ui/Environment.java
index 52438a6c9..87b6bf5a4 100644
--- a/src/main/gui/net/sf/jailer/ui/Environment.java
+++ b/src/main/gui/net/sf/jailer/ui/Environment.java
@@ -112,9 +112,32 @@ public class Environment {
 		});
 	}
 
+	// TODO move to engine
+	private static File applicationBase = null;
+
+	// TODO init, lib/ in app/ or null
+	private static File libFolder = null;
+
+	// TODO init applicationBase
+	// TODO use newWorkingFolderFile for jailer.xml, driver.csv, template, script, render, local db jdbc jar
+	// TODO HttpUtil, FileBasedScriptEnhancer
+
+	// TODO jdbc jars in lib: rename prior packing, copy into user dir, adjust file name in connection configs (!exists(f) && exists(~/lib/f) -> f =~ /lib/f)
+	// TODO default dir for *.jar in FileCh. is ~/lib
+	
+	// TODO config: test, does this work in DBrowser? -> LogUtil.class.getResourceAsStream("/log4j.properties")
+	
+	// TODO no bat/exe/sh in app/
+
+	public static File newWorkingFolderFile(String name) {
+		if (applicationBase == null || new File(name).isAbsolute()) {
+			return new File(name);
+		}
+		return new File(applicationBase, name);
+	}
+
 	private static boolean isJPacked() {
-		// TODO
-		return false;
+		return applicationBase != null;
 	}
 
 	private static void initUI() {
diff --git a/src/main/gui/net/sf/jailer/ui/util/HttpUtil.java b/src/main/gui/net/sf/jailer/ui/util/HttpUtil.java
index 60ba3ce3e..34772c031 100644
--- a/src/main/gui/net/sf/jailer/ui/util/HttpUtil.java
+++ b/src/main/gui/net/sf/jailer/ui/util/HttpUtil.java
@@ -35,6 +35,7 @@ public class HttpUtil {
 			// fall through
 		}
 	    try {
+			// TODO in jpack mode app/jailer.jar
 	        Process p = Runtime.getRuntime().exec("java -classpath jailer.jar -Djava.net.useSystemProxies=true " + HttpUtil.class.getName() + " " + url);
         	BufferedReader input = new BufferedReader(new InputStreamReader(p.getInputStream()));
             String line;