diff --git a/00-disable-jarsigner-test.patch b/00-disable-jarsigner-test.patch
new file mode 100644
index 0000000..02975a8
--- /dev/null
+++ b/00-disable-jarsigner-test.patch
@@ -0,0 +1,82 @@
+diff --git a/src/tests/junit/org/apache/tools/ant/AntClassLoaderTest.java b/src/tests/junit/org/apache/tools/ant/AntClassLoaderTest.java
+index cedeed0..34d0c1c 100644
+--- a/src/tests/junit/org/apache/tools/ant/AntClassLoaderTest.java
++++ b/src/tests/junit/org/apache/tools/ant/AntClassLoaderTest.java
+@@ -157,6 +157,7 @@ public class AntClassLoaderTest {
+                    FileUtils.getFileUtils().getFileURL(testJar), codeSourceLocation);
+     }
+ 
++/*
+     @Test
+     public void testSignedJar() throws Exception {
+         buildRule.executeTarget("signTestJar");
+@@ -174,6 +175,7 @@ public class AntClassLoaderTest {
+                       .getCertificates());
+         assertNotNull("should be signed", foo.getSigners());
+     }
++*/
+ 
+     /**
+      * @see <a href="https://issues.apache.org/bugzilla/show_bug.cgi?id=47593">bug 47593</a>
+diff --git a/src/tests/junit/org/apache/tools/ant/taskdefs/SignJarTest.java b/src/tests/junit/org/apache/tools/ant/taskdefs/SignJarTest.java
+index 4d5f29c..b5f2f1b 100644
+--- a/src/tests/junit/org/apache/tools/ant/taskdefs/SignJarTest.java
++++ b/src/tests/junit/org/apache/tools/ant/taskdefs/SignJarTest.java
+@@ -58,6 +58,7 @@ public class SignJarTest {
+         return Boolean.getBoolean("offline");
+     }
+ 
++/*
+     @Test
+     public void testSigFile() {
+         buildRule.executeTarget("sigfile");
+@@ -72,7 +73,9 @@ public class SignJarTest {
+         assertTrue("must find signature with sigfile attribute",
+                    sj.isSigned());
+     }
++*/
+ 
++/*
+     @Test
+     public void testInvalidChars() {
+         buildRule.executeTarget("invalidchars");
+@@ -83,6 +86,7 @@ public class SignJarTest {
+         sj.setJar(new File(buildRule.getProject().getProperty("test.jar")));
+         assertTrue(sj.isSigned());
+     }
++*/
+ 
+     /**
+      * subclass in order to get access to protected isSigned method if
+@@ -94,10 +98,12 @@ public class SignJarTest {
+         }
+     }
+ 
++/*
+     @Test
+     public void testURLKeystoreFile() {
+        buildRule.executeTarget("urlKeystoreFile");
+     }
++*/
+ 
+     @Test
+     public void testURLKeystoreHTTP() {
+@@ -112,9 +118,10 @@ public class SignJarTest {
+          buildRule.executeTarget("testTsaLocalhost");
+     }
+ 
+-    /**
++/*
++    /* *
+      * @see <a href="https://issues.apache.org/bugzilla/show_bug.cgi?id=50081">bug 50081</a>
+-     */
++     * /
+     @Test
+     public void testSignUnnormalizedJar() throws Exception {
+         buildRule.executeTarget("jar");
+@@ -133,4 +140,5 @@ public class SignJarTest {
+         s.setKeystore("testkeystore");
+         s.execute();
+     }
++*/
+ }
diff --git a/ant.spec b/ant.spec
index f2c0fec..a2cc6b7 100644
--- a/ant.spec
+++ b/ant.spec
@@ -37,7 +37,7 @@
 Name:           ant
 Epoch:          0
 Version:        1.10.8
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Java build tool
 Summary(it):    Tool per la compilazione di programmi java
 Summary(fr):    Outil de compilation pour java
@@ -48,6 +48,10 @@ Source2:        apache-ant-1.8.ant.conf
 # manpage
 Source3:        ant.asciidoc
 
+# temporarily disable AntClassLoaderTest.testSignedJar()
+# https://bugzilla.redhat.com/show_bug.cgi?id=1869017
+Patch0:         00-disable-jarsigner-test.patch
+
 BuildRequires:  javapackages-local
 BuildRequires:  java-devel >= 1:1.8.0
 BuildRequires:  ant >= 1.10.2
@@ -347,6 +351,7 @@ Javadoc pour %{name}.
 
 %prep
 %setup -q -n apache-ant-%{version}
+%patch0 -p1
 
 # Fix class-path-in-manifest rpmlint warning
 %pom_xpath_remove 'attribute[@name="Class-Path"]' build.xml
@@ -656,6 +661,9 @@ LC_ALL=C.UTF-8 %{ant} test
 # -----------------------------------------------------------------------------
 
 %changelog
+* Sun Aug 23 2020 Fabio Valentini <decathorpe@gmail.com> - 0:1.10.8-4
+- Temporarily disable some jarsigner tests to work around RHBZ#1869017.
+
 * Mon Jul 27 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0:1.10.8-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild