Embeddable: Handler null pointer exceptions for <gallery> when no de.wikipedia.org-file-core.xowa file is available

150_gfui/src/gplx/gfui/kits/core/Swt_kit.java

@@ -234,6 +234,7 @@ public class Swt_kit implements Gfui_kit {
 	public Gfui_dlg_msg New_dlg_msg(String msg) {return new Swt_dlg_msg(shell).Init_msg_(msg);}
 	public ImageAdp New_img_load(Io_url url) {
 		if (url == Io_url_.Empty) return ImageAdp_.Null;
+		if (!Io_mgr.Instance.Exists(url)) return ImageAdp_.Null; // must check if exists or fatal error; DATE:2017-06-02
 		Image img = new Image(display, url.Raw());
 		Rectangle rect = img.getBounds();
 		return new Swt_img(this, img, rect.width, rect.height).Url_(url);

150_gfui/src/gplx/gfui/kits/swts/Swt_btn_no_border.java

@@ -69,7 +69,9 @@ public class Swt_btn_no_border implements GxwElem, Swt_control {
 		// note can't use width, b/c search_exec_btn somehow goes from 16px to 20px
 		if (v.Size().Height() != size.Height())
 			v = v.Resize(size.Width(), size.Height());
-		box_btn.setImage(Copy_w_transparency((Image)v.Under()));
+		if ((v.Under() instanceof Image)) { // check needed else will fail when image doesn't exist; DATE:2017-06-03
+			box_btn.setImage(Copy_w_transparency((Image)v.Under()));
+		}
 	}
 	private Image Copy_w_transparency(Image src) {
       // set transparency

400_xowa/.classpath

@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry combineaccessrules="false" kind="src" path="/luaj-vm"/>
 	<classpathentry exported="true" kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
 	<classpathentry combineaccessrules="false" exported="true" kind="src" path="/100_core"/>
 	<classpathentry combineaccessrules="false" exported="true" kind="src" path="/140_dbs"/>

400_xowa/src/gplx/fsdb/meta/Fsm_mnt_mgr.java

@@ -35,6 +35,7 @@ public class Fsm_mnt_mgr implements Gfo_invk {
 	}
 	public int			Mnts__len()						{return mnt_ary_len;}
 	public Fsm_mnt_itm	Mnts__get_at(int i)				{return mnt_ary[i];}
+	public Fsm_mnt_itm	Mnts__get_main_or_null()		{return mnt_ary == null ? null : mnt_ary[Mnt_idx_main];} // NOTE: can be null for embeddable parser; DATE:2017-06-06
 	public Fsm_mnt_itm	Mnts__get_main()				{return mnt_ary[Mnt_idx_main];}
 	public Fsm_mnt_itm	Mnts__get_insert()				{return mnt_ary[insert_idx];} public void Mnts__get_insert_idx_(int v) {insert_idx = v;} private int insert_idx = Mnt_idx_user;
 	public Fsm_bin_fil	Bins__at(int mnt_id, int bin_db_id) {return mnt_ary[mnt_id].Bin_mgr().Dbs__get_by_or_null(bin_db_id);}

400_xowa/src/gplx/xowa/Xoa_app_.java

@@ -30,8 +30,8 @@ public class Xoa_app_ {
 		}
 	}
 	public static final String		Name			= "xowa";
-	public static final int		Version_id		= 527;
-	public static final String		Version			= "4.5.5.1705";
+	public static final int		Version_id		= 528;
+	public static final String		Version			= "4.5.6.1706";
 	public static String	Build_date		= "2012-12-30 00:00:00";
 	public static String	Build_date_fmt	= "yyyy-MM-dd HH:mm:ss";
 	public static String	Op_sys_str;

400_xowa/src/gplx/xowa/files/Xow_file_mgr.java

@@ -111,7 +111,8 @@ public class Xow_file_mgr implements Gfo_invk {
 		}
 		if (this.Version() == Version_1) return new Db_cfg_hash("");
 		this.Init_file_mgr_by_load(wiki);	// make sure fsdb is init'd
-		return fsdb_mgr.Mnt_mgr().Mnts__get_main().Cfg_mgr().Grps_get_or_load(grp);
+		Fsm_mnt_itm mnt_itm = fsdb_mgr.Mnt_mgr().Mnts__get_main_or_null(); // NOTE: can be null for embeddable parser; DATE:2017-06-06
+		return mnt_itm == null ? new Db_cfg_hash("") : mnt_itm.Cfg_mgr().Grps_get_or_load(grp);
 	}
 	public Xof_fsdb_mgr Fsdb_mgr() {return fsdb_mgr;} private Xof_fsdb_mgr fsdb_mgr = new Xof_fsdb_mgr__sql();
 	public void Clear_for_tests() {	// NOTE: must clear else fsdb_mode will be cached for multiple runs; will generally be v1, but some tests will set to v2; DATE:2015-12-22
@@ -146,6 +147,8 @@ public class Xow_file_mgr implements Gfo_invk {
 	}
 	public void Init_file_mgr_by_load(Xow_wiki wiki) {
 		if (db_core != null) return;	// already init'd
+		if (wiki.Data__core_mgr() == null) return; // NOTE: can be null for embeddable parser; DATE:2017-06-06
+
 		this.db_core = Fsdb_db_mgr_.new_detect(wiki, wiki.Fsys_mgr().Root_dir(), wiki.Fsys_mgr().File_dir());
 		if (	db_core == null			// "-file-core.xowa" not found
 			&&	!wiki.Data__core_mgr().Props().Layout_file().Tid_is_all()	// DATE:2015-08-10

400_xowa/src/gplx/xowa/guis/bnds/Xog_bnd_mgr.java

@@ -388,7 +388,12 @@ public class Xog_bnd_mgr implements Gfo_invk {
 			win.Show(app, app.Gui_mgr().Kit(), app.Gui_mgr().Browser_win().Win_box(), args[0], args[1], args[2]);
 		}
 		else {
-			String[] flds = gplx.xowa.addons.apps.cfgs.enums.Xoitm_gui_binding.To_ary(m.ReadStr("v"));
+			String val = m.ReadStr("v");
+			if (String_.Len_eq_0(val)) { // need to check, or may fail when running newer codebase against old cfgs; DATE:2017-06-02
+				Gfo_usr_dlg_.Instance.Warn_many("", "", "binding does not have val; key=~{0}", k);
+				return this;
+			}
+			String[] flds = gplx.xowa.addons.apps.cfgs.enums.Xoitm_gui_binding.To_ary(val);
 			int box = Xog_bnd_box_.Xto_sys_int(flds[0]);
 			String key = String_.Replace(k, "xowa.gui.shortcuts.", "");
 			Xog_bnd_itm bnd = app.Gui_mgr().Bnd_mgr().Get_or_null(key);