1 files changed, 90 insertions, 0 deletions
diff --git a/debian/patches/avoid-empty-java.class.path.diff b/debian/patches/avoid-empty-java.class.path.diff
new file mode 100644
index 000000000..2f5251269
--- /dev/null
+++ b/debian/patches/avoid-empty-java.class.path.diff
@@ -0,0 +1,90 @@
+From 5e8f64e50f97d39e83a3358697be14db03566878 Mon Sep 17 00:00:00 2001
+From: Stephan Bergmann <sbergman@redhat.com>
+Date: Mon, 21 Feb 2022 11:55:21 +0100
+Subject: Avoid unnecessary empty -Djava.class.path=
+
+Change-Id: Idcfe7321077b60381c0273910b1faeb444ef1fd8
+Reviewed-on: https://gerrit.libreoffice.org/c/core/+/130242
+Tested-by: Jenkins
+Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
+---
+ jvmfwk/plugins/sunmajor/pluginlib/sunjavaplugin.cxx | 16 +++++++++++++---
+ jvmfwk/source/framework.cxx                         |  8 ++++++--
+ jvmfwk/source/fwkbase.cxx                           |  3 +++
+ 3 files changed, 22 insertions(+), 5 deletions(-)
+
+diff --git a/jvmfwk/plugins/sunmajor/pluginlib/sunjavaplugin.cxx b/jvmfwk/plugins/sunmajor/pluginlib/sunjavaplugin.cxx
+index 29de226211f1..e55b914edf13 100644
+--- a/jvmfwk/plugins/sunmajor/pluginlib/sunjavaplugin.cxx
++++ b/jvmfwk/plugins/sunmajor/pluginlib/sunjavaplugin.cxx
+@@ -712,17 +712,22 @@ javaPluginError jfw_plugin_startJavaVirtualMachine(
+     // all versions below 1.5.1
+     options.emplace_back("abort", reinterpret_cast<void*>(abort_handler));
+     bool hasStackSize = false;
++#ifdef UNX
++    // Until java 1.5 we need to put a plugin.jar or javaplugin.jar (<1.4.2)
++    // in the class path in order to have applet support:
++    OString sAddPath = getPluginJarPath(pInfo->sVendor, pInfo->sLocation,pInfo->sVersion);
++#endif
+     for (int i = 0; i < cOptions; i++)
+     {
+         OString opt(arOptions[i].optionString);
+ #ifdef UNX
+-        // Until java 1.5 we need to put a plugin.jar or javaplugin.jar (<1.4.2)
+-        // in the class path in order to have applet support:
+         if (opt.startsWith("-Djava.class.path="))
+         {
+-            OString sAddPath = getPluginJarPath(pInfo->sVendor, pInfo->sLocation,pInfo->sVersion);
+             if (!sAddPath.isEmpty())
++            {
+                 opt += OStringChar(SAL_PATHSEPARATOR) + sAddPath;
++                sAddPath.clear();
++            }
+         }
+ #endif
+         if (opt == "-Xint") {
+@@ -767,6 +772,11 @@ javaPluginError jfw_plugin_startJavaVirtualMachine(
+         }
+ #endif
+     }
++#ifdef UNX
++    if (!sAddPath.isEmpty()) {
++        options.emplace_back("-Djava.class.path=" + sAddPath, nullptr);
++    }
++#endif
+ 
+     std::unique_ptr<JavaVMOption[]> sarOptions(new JavaVMOption[options.size()]);
+     for (std::vector<Option>::size_type i = 0; i != options.size(); ++i) {
+diff --git a/jvmfwk/source/framework.cxx b/jvmfwk/source/framework.cxx
+index 4163eea57b7c..8aa85082b838 100644
+--- a/jvmfwk/source/framework.cxx
++++ b/jvmfwk/source/framework.cxx
+@@ -195,8 +195,12 @@ javaFrameworkError jfw_startVM(
+                 //In direct mode the options are specified by bootstrap variables
+                 //of the form UNO_JAVA_JFW_PARAMETER_1 .. UNO_JAVA_JFW_PARAMETER_n
+                 vmParams = jfw::BootParams::getVMParameters();
+-                sUserClassPath =
+-                    "-Djava.class.path=" + jfw::BootParams::getClasspath();
++                auto const cp = jfw::BootParams::getClasspath();
++                if (!cp.isEmpty())
++                {
++                    sUserClassPath =
++                        "-Djava.class.path=" + cp;
++                }
+             }
+             else
+                 OSL_ASSERT(false);
+diff --git a/jvmfwk/source/fwkbase.cxx b/jvmfwk/source/fwkbase.cxx
+index 0af34a443f3c..bb5df10a9c4d 100644
+--- a/jvmfwk/source/fwkbase.cxx
++++ b/jvmfwk/source/fwkbase.cxx
+@@ -460,6 +460,9 @@
+ 
+     sPaths = OUStringToOString(
+         sBufCP.makeStringAndClear(), osl_getThreadTextEncoding());
++    if (sPaths.isEmpty()) {
++        return "";
++    }
+ 
+     OString sOptionClassPath = "-Djava.class.path=" + sPaths;
+     return sOptionClassPath;