From 7bd423c4588d8c52f9c8a250d8c5d771ffbed18d Mon Sep 17 00:00:00 2001
From: Philip Helger <philip@helger.com>
Date: Tue, 3 Feb 2026 17:30:09 +0100
Subject: [PATCH] Resolve "Wrong Schematron/XSLTs lead to positive validation
 result (GitHub 165)"

---
 .../impl/CollectingErrorEventHandler.java     |   2 +-
 .../tasks/SchematronValidationAction.java     |  11 +-
 .../cmd/CommandlineApplicationTest.java       |  11 +-
 .../de/kosit/validationtool/impl/Helper.java  |  13 +-
 .../input/simple-xslt-runtime-error.xml       |  23 ++
 .../xslt-runtime-error/repository/report.xsl  |  44 ++++
 .../repository/simple-xslt-runtime-error.xsl  | 231 ++++++++++++++++++
 .../xslt-runtime-error/repository/simple.xsd  |  30 +++
 .../scenarios-with-xslt-runtime-error.xml     |  61 +++++
 9 files changed, 417 insertions(+), 9 deletions(-)
 create mode 100644 src/test/resources/examples/invalid/xslt-runtime-error/input/simple-xslt-runtime-error.xml
 create mode 100644 src/test/resources/examples/invalid/xslt-runtime-error/repository/report.xsl
 create mode 100644 src/test/resources/examples/invalid/xslt-runtime-error/repository/simple-xslt-runtime-error.xsl
 create mode 100644 src/test/resources/examples/invalid/xslt-runtime-error/repository/simple.xsd
 create mode 100644 src/test/resources/examples/invalid/xslt-runtime-error/scenarios-with-xslt-runtime-error.xml

diff --git a/src/main/java/de/kosit/validationtool/impl/CollectingErrorEventHandler.java b/src/main/java/de/kosit/validationtool/impl/CollectingErrorEventHandler.java
index be10111..042dd95 100644
--- a/src/main/java/de/kosit/validationtool/impl/CollectingErrorEventHandler.java
+++ b/src/main/java/de/kosit/validationtool/impl/CollectingErrorEventHandler.java
@@ -47,7 +47,7 @@ public class CollectingErrorEventHandler implements ValidationEventHandler, Erro
 
     private static final int DEFAULT_ABORT_COUNT = 50;
 
-    private static final int stopProcessCount = DEFAULT_ABORT_COUNT;
+    private final int stopProcessCount = DEFAULT_ABORT_COUNT;
 
     private final List<XMLSyntaxError> errors = new ArrayList<>();
 
diff --git a/src/main/java/de/kosit/validationtool/impl/tasks/SchematronValidationAction.java b/src/main/java/de/kosit/validationtool/impl/tasks/SchematronValidationAction.java
index ae85023..90ad899 100644
--- a/src/main/java/de/kosit/validationtool/impl/tasks/SchematronValidationAction.java
+++ b/src/main/java/de/kosit/validationtool/impl/tasks/SchematronValidationAction.java
@@ -23,9 +23,6 @@ import javax.xml.transform.dom.DOMSource;
 
 import org.oclc.purl.dsdl.svrl.SchematronOutput;
 
-import lombok.RequiredArgsConstructor;
-import lombok.extern.slf4j.Slf4j;
-
 import de.kosit.validationtool.impl.CollectingErrorEventHandler;
 import de.kosit.validationtool.impl.ConversionService;
 import de.kosit.validationtool.impl.Scenario;
@@ -33,7 +30,8 @@ import de.kosit.validationtool.impl.Scenario.Transformation;
 import de.kosit.validationtool.model.reportInput.CreateReportInput;
 import de.kosit.validationtool.model.reportInput.ValidationResultsSchematron;
 import de.kosit.validationtool.model.reportInput.ValidationResultsSchematron.Results;
-
+import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import net.sf.saxon.dom.NodeOverNodeInfo;
 import net.sf.saxon.s9api.SaxonApiException;
 import net.sf.saxon.s9api.XdmDestination;
@@ -71,6 +69,11 @@ public class SchematronValidationAction implements CheckAction {
             transformer.setInitialContextNode(document);
             transformer.transform();
 
+            // If we reach this line, it means no Exception was thrown :-)
+            if (e.hasErrors()) {
+                log.error("XSLT errors found: " + e.getErrorDescription());
+            }
+
             final ValidationResultsSchematron.Results r = new ValidationResultsSchematron.Results();
             r.setSchematronOutput(this.conversionService.readDocument(
                     new DOMSource(NodeOverNodeInfo.wrap(result.getXdmNode().getUnderlyingNode()).getOwnerDocument()),
diff --git a/src/test/java/de/kosit/validationtool/cmd/CommandlineApplicationTest.java b/src/test/java/de/kosit/validationtool/cmd/CommandlineApplicationTest.java
index b9b2ed8..dce14d4 100644
--- a/src/test/java/de/kosit/validationtool/cmd/CommandlineApplicationTest.java
+++ b/src/test/java/de/kosit/validationtool/cmd/CommandlineApplicationTest.java
@@ -139,6 +139,15 @@ public class CommandlineApplicationTest {
         assertThat(CommandLine.getErrorOutput()).contains(RESULT_OUTPUT);
     }
 
+    @Test
+    public void testValidMinimalConfigurationXSLTRuntimeError() {
+        final String[] args = { "-s", Paths.get(Simple.SCENARIOS_XSLT_RUNTIME_ERROR).toString(), "-h", "-o",
+                this.output.toAbsolutePath().toString(), "--serialize-report-input",
+                Paths.get(Simple.SIMPLE_XSLT_RUNTIME_ERROR).toString() };
+        CommandLineApplication.mainProgram(args);
+        assertThat(CommandLine.getErrorOutput()).contains(RESULT_OUTPUT);
+    }
+
     @Test
     public void testValidNamingConfiguration() {
         final String[] args = { "-s", Paths.get(Simple.SCENARIOS).toString(), "-r", Paths.get(Simple.REPOSITORY_URI).toString(),
@@ -159,7 +168,7 @@ public class CommandlineApplicationTest {
     @Test
     public void testValidDirectoryInput() {
         final String[] args = { "-s", Paths.get(Simple.SCENARIOS).toString(), "-o", this.output.toString(), "-r",
-                Paths.get(Simple.REPOSITORY_URI).toString(), Paths.get(Simple.EXAMPLES).toString() };
+                Paths.get(Simple.REPOSITORY_URI).toString(), Paths.get(Simple.INPUT).toString() };
         CommandLineApplication.mainProgram(args);
         assertThat(CommandLine.getErrorOutput()).contains("Processing 9 object(s) completed");
     }
diff --git a/src/test/java/de/kosit/validationtool/impl/Helper.java b/src/test/java/de/kosit/validationtool/impl/Helper.java
index 00da5a3..25d6158 100644
--- a/src/test/java/de/kosit/validationtool/impl/Helper.java
+++ b/src/test/java/de/kosit/validationtool/impl/Helper.java
@@ -49,15 +49,18 @@ public class Helper {
 
         public static final URI ROOT = EXAMPLES_DIR.resolve("simple/");
 
-        public static final URI EXAMPLES = ROOT.resolve("input/");
+        public static final URI INPUT = ROOT.resolve("input/");
 
         public static final URI SIMPLE_VALID = ROOT.resolve("input/simple.xml");
 
+        public static final URI SIMPLE_XSLT_RUNTIME_ERROR = EXAMPLES_DIR
+                .resolve("invalid/xslt-runtime-error/input/simple-xslt-runtime-error.xml");
+
         public static final URI FOO = ROOT.resolve("input/foo.xml");
 
-        public static final URI FOO_SCHEMATRON_INVALID = EXAMPLES.resolve("foo-schematron-invalid.xml");
+        public static final URI FOO_SCHEMATRON_INVALID = INPUT.resolve("foo-schematron-invalid.xml");
 
-        public static final URI FOO_CUSTOM_LEVEL_ERROR = EXAMPLES.resolve("foo-custom-level-error.xml");
+        public static final URI FOO_CUSTOM_LEVEL_ERROR = INPUT.resolve("foo-custom-level-error.xml");
 
         public static final URI REJECTED = ROOT.resolve("input/withManualReject.xml");
 
@@ -65,6 +68,9 @@ public class Helper {
 
         public static final URI SCENARIOS_WITH_RELATIVE_PATHS = ROOT.resolve("scenarios-with-relative-paths.xml");
 
+        public static final URI SCENARIOS_XSLT_RUNTIME_ERROR = EXAMPLES_DIR
+                .resolve("invalid/xslt-runtime-error/scenarios-with-xslt-runtime-error.xml");
+
         public static final URI OTHER_SCENARIOS = ROOT.resolve("otherScenarios.xml");
 
         public static final URI ERROR_SCENARIOS = ROOT.resolve("scenarios-with-errors.xml");
@@ -101,6 +107,7 @@ public class Helper {
 
     public static class Invalid {
 
+        // Is the typo in the name on purpose???
         public static final URI ROOT = EXAMPLES_DIR.resolve("invaid/");
 
         public static final URI SCENARIOS = ROOT.resolve("scenarios.xml");
diff --git a/src/test/resources/examples/invalid/xslt-runtime-error/input/simple-xslt-runtime-error.xml b/src/test/resources/examples/invalid/xslt-runtime-error/input/simple-xslt-runtime-error.xml
new file mode 100644
index 0000000..cdbd1cf
--- /dev/null
+++ b/src/test/resources/examples/invalid/xslt-runtime-error/input/simple-xslt-runtime-error.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<simple xmlns="http://validator.kosit.de/test-sample">
+    <inner>abc</inner>
+    <inner>def</inner>
+    <content>
+        <IDontCare/>
+    </content>
+</simple>
+<!--
+  ~ Copyright 2017-2026  Koordinierungsstelle für IT-Standards (KoSIT)
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
diff --git a/src/test/resources/examples/invalid/xslt-runtime-error/repository/report.xsl b/src/test/resources/examples/invalid/xslt-runtime-error/repository/report.xsl
new file mode 100644
index 0000000..6eb7471
--- /dev/null
+++ b/src/test/resources/examples/invalid/xslt-runtime-error/repository/report.xsl
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright 2017-2022  Koordinierungsstelle für IT-Standards (KoSIT)
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+                xmlns:xs="http://www.w3.org/2001/XMLSchema"
+                xmlns:in="http://www.xoev.de/de/validator/framework/1/createreportinput"
+                exclude-result-prefixes="xs"
+                version="2.0">
+
+    <xsl:output method="xml" indent="yes" />
+
+    <xsl:param name="input-document" as="document-node(element())" required="yes" />
+
+
+    <xsl:template match="in:createReportInput">
+        <report xmlns="http://validator.kosit.de/test-report">
+            <input>
+                <xsl:copy-of select="$input-document" />
+            </input>
+            <result>
+                <xsl:copy-of select="." />
+            </result>
+            <text>
+                <xsl:value-of select="unparsed-text('some.txt','UTF-8')" />
+            </text>
+        </report>
+    </xsl:template>
+
+
+</xsl:stylesheet>
\ No newline at end of file
diff --git a/src/test/resources/examples/invalid/xslt-runtime-error/repository/simple-xslt-runtime-error.xsl b/src/test/resources/examples/invalid/xslt-runtime-error/repository/simple-xslt-runtime-error.xsl
new file mode 100644
index 0000000..8a8f0de
--- /dev/null
+++ b/src/test/resources/examples/invalid/xslt-runtime-error/repository/simple-xslt-runtime-error.xsl
@@ -0,0 +1,231 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright 2017-2022  Koordinierungsstelle für IT-Standards (KoSIT)
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<xsl:stylesheet
+        xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
+        xmlns:xs="http://www.w3.org/2001/XMLSchema"
+        xmlns:s="http://validator.kosit.de/test-sample"
+        version="2.0"><!--Implementers: please note that overriding process-prolog or process-root is
+    the preferred method for meta-stylesheets to use where possible. -->
+   <xsl:param name="archiveDirParameter" />
+   <xsl:param name="archiveNameParameter" />
+   <xsl:param name="fileNameParameter" />
+   <xsl:param name="fileDirParameter" />
+   <xsl:variable name="document-uri">
+      <xsl:value-of select="document-uri(/)" />
+   </xsl:variable>
+
+   <!--PHASES-->
+
+
+   <!--PROLOG-->
+   <xsl:output xmlns:svrl="http://purl.oclc.org/dsdl/svrl"
+               method="xml"
+               omit-xml-declaration="no"
+               standalone="yes"
+               indent="yes" />
+
+   <!--XSD TYPES FOR XSLT2-->
+
+
+   <!--KEYS AND FUNCTIONS-->
+
+
+   <!--DEFAULT RULES-->
+
+
+   <!--MODE: SCHEMATRON-SELECT-FULL-PATH-->
+   <!--This mode can be used to generate an ugly though full XPath for locators-->
+   <xsl:template match="*" mode="schematron-select-full-path">
+      <xsl:apply-templates select="." mode="schematron-get-full-path" />
+   </xsl:template>
+
+   <!--MODE: SCHEMATRON-FULL-PATH-->
+   <!--This mode can be used to generate an ugly though full XPath for locators-->
+   <xsl:template match="*" mode="schematron-get-full-path">
+      <xsl:apply-templates select="parent::*" mode="schematron-get-full-path" />
+      <xsl:text>/</xsl:text>
+      <xsl:choose>
+         <xsl:when test="namespace-uri()=''">
+            <xsl:value-of select="name()" />
+         </xsl:when>
+         <xsl:otherwise>
+            <xsl:text>*:</xsl:text>
+            <xsl:value-of select="local-name()" />
+            <xsl:text>[namespace-uri()='</xsl:text>
+            <xsl:value-of select="namespace-uri()" />
+            <xsl:text>']</xsl:text>
+         </xsl:otherwise>
+      </xsl:choose>
+      <xsl:variable name="preceding"
+                    select="count(preceding-sibling::*[local-name()=local-name(current())                                   and namespace-uri() = namespace-uri(current())])" />
+      <xsl:text>[</xsl:text>
+      <xsl:value-of select="1+ $preceding" />
+      <xsl:text>]</xsl:text>
+   </xsl:template>
+   <xsl:template match="@*" mode="schematron-get-full-path">
+      <xsl:apply-templates select="parent::*" mode="schematron-get-full-path" />
+      <xsl:text>/</xsl:text>
+      <xsl:choose>
+         <xsl:when test="namespace-uri()=''">@<xsl:value-of select="name()" />
+         </xsl:when>
+         <xsl:otherwise>
+            <xsl:text>@*[local-name()='</xsl:text>
+            <xsl:value-of select="local-name()" />
+            <xsl:text>' and namespace-uri()='</xsl:text>
+            <xsl:value-of select="namespace-uri()" />
+            <xsl:text>']</xsl:text>
+         </xsl:otherwise>
+      </xsl:choose>
+   </xsl:template>
+
+   <!--MODE: SCHEMATRON-FULL-PATH-2-->
+   <!--This mode can be used to generate prefixed XPath for humans-->
+   <xsl:template match="node() | @*" mode="schematron-get-full-path-2">
+      <xsl:for-each select="ancestor-or-self::*">
+         <xsl:text>/</xsl:text>
+         <xsl:value-of select="name(.)" />
+         <xsl:if test="preceding-sibling::*[name(.)=name(current())]">
+            <xsl:text>[</xsl:text>
+            <xsl:value-of select="count(preceding-sibling::*[name(.)=name(current())])+1" />
+            <xsl:text>]</xsl:text>
+         </xsl:if>
+      </xsl:for-each>
+      <xsl:if test="not(self::*)">
+         <xsl:text />/@<xsl:value-of select="name(.)" />
+      </xsl:if>
+   </xsl:template>
+   <!--MODE: SCHEMATRON-FULL-PATH-3-->
+   <!--This mode can be used to generate prefixed XPath for humans
+	(Top-level element has index)-->
+   <xsl:template match="node() | @*" mode="schematron-get-full-path-3">
+      <xsl:for-each select="ancestor-or-self::*">
+         <xsl:text>/</xsl:text>
+         <xsl:value-of select="name(.)" />
+         <xsl:if test="parent::*">
+            <xsl:text>[</xsl:text>
+            <xsl:value-of select="count(preceding-sibling::*[name(.)=name(current())])+1" />
+            <xsl:text>]</xsl:text>
+         </xsl:if>
+      </xsl:for-each>
+      <xsl:if test="not(self::*)">
+         <xsl:text />/@<xsl:value-of select="name(.)" />
+      </xsl:if>
+   </xsl:template>
+
+   <!--MODE: GENERATE-ID-FROM-PATH -->
+   <xsl:template match="/" mode="generate-id-from-path" />
+   <xsl:template match="text()" mode="generate-id-from-path">
+      <xsl:apply-templates select="parent::*" mode="generate-id-from-path" />
+      <xsl:value-of select="concat('.text-', 1+count(preceding-sibling::text()), '-')" />
+   </xsl:template>
+   <xsl:template match="comment()" mode="generate-id-from-path">
+      <xsl:apply-templates select="parent::*" mode="generate-id-from-path" />
+      <xsl:value-of select="concat('.comment-', 1+count(preceding-sibling::comment()), '-')" />
+   </xsl:template>
+   <xsl:template match="processing-instruction()" mode="generate-id-from-path">
+      <xsl:apply-templates select="parent::*" mode="generate-id-from-path" />
+      <xsl:value-of select="concat('.processing-instruction-', 1+count(preceding-sibling::processing-instruction()), '-')" />
+   </xsl:template>
+   <xsl:template match="@*" mode="generate-id-from-path">
+      <xsl:apply-templates select="parent::*" mode="generate-id-from-path" />
+      <xsl:value-of select="concat('.@', name())" />
+   </xsl:template>
+   <xsl:template match="*" mode="generate-id-from-path" priority="-0.5">
+      <xsl:apply-templates select="parent::*" mode="generate-id-from-path" />
+      <xsl:text>.</xsl:text>
+      <xsl:value-of select="concat('.',name(),'-',1+count(preceding-sibling::*[name()=name(current())]),'-')" />
+   </xsl:template>
+
+   <!--MODE: GENERATE-ID-2 -->
+   <xsl:template match="/" mode="generate-id-2">U</xsl:template>
+   <xsl:template match="*" mode="generate-id-2" priority="2">
+      <xsl:text>U</xsl:text>
+      <xsl:number level="multiple" count="*" />
+   </xsl:template>
+   <xsl:template match="node()" mode="generate-id-2">
+      <xsl:text>U.</xsl:text>
+      <xsl:number level="multiple" count="*" />
+      <xsl:text>n</xsl:text>
+      <xsl:number count="node()" />
+   </xsl:template>
+   <xsl:template match="@*" mode="generate-id-2">
+      <xsl:text>U.</xsl:text>
+      <xsl:number level="multiple" count="*" />
+      <xsl:text>_</xsl:text>
+      <xsl:value-of select="string-length(local-name(.))" />
+      <xsl:text>_</xsl:text>
+      <xsl:value-of select="translate(name(),':','.')" />
+   </xsl:template>
+   <!--Strip characters-->
+   <xsl:template match="text()" priority="-1" />
+
+   <!--SCHEMA SETUP-->
+   <xsl:template match="/">
+      <svrl:schematron-output xmlns:svrl="http://purl.oclc.org/dsdl/svrl"
+                              title="Schematron Simple"
+                              schemaVersion="">
+         <xsl:comment>
+            <xsl:value-of select="$archiveDirParameter" />  
+            <xsl:value-of select="$archiveNameParameter" />  
+            <xsl:value-of select="$fileNameParameter" />  
+            <xsl:value-of select="$fileDirParameter" />
+         </xsl:comment>
+         <svrl:ns-prefix-in-attribute-values uri="http://www.w3.org/2001/XMLSchema" prefix="xs" />
+         <svrl:ns-prefix-in-attribute-values uri="http://validator.kosit.de/test-sample" prefix="s" />
+         <svrl:active-pattern>
+            <xsl:attribute name="document">
+               <xsl:value-of select="document-uri(/)" />
+            </xsl:attribute>
+            <xsl:apply-templates />
+         </svrl:active-pattern>
+         <xsl:apply-templates select="/" mode="M3" />
+      </svrl:schematron-output>
+   </xsl:template>
+
+   <!--SCHEMATRON PATTERNS-->
+   <svrl:text xmlns:svrl="http://purl.oclc.org/dsdl/svrl">Schematron Simple</svrl:text>
+
+   <!--PATTERN -->
+
+
+   <!--RULE -->
+   <xsl:template match="s:simple" priority="1001" mode="M3">
+      <svrl:fired-rule xmlns:svrl="http://purl.oclc.org/dsdl/svrl" context="s:simple" />
+
+      <!--ASSERT -->
+      <xsl:choose>
+         <xsl:when test="xs:decimal(s:inner) = 1" />
+         <xsl:otherwise>
+            <svrl:failed-assert xmlns:svrl="http://purl.oclc.org/dsdl/svrl" test="xs:decimal(s:inner) = 1">
+               <xsl:attribute name="id">content-2</xsl:attribute>
+               <xsl:attribute name="location">
+                  <xsl:apply-templates select="." mode="schematron-select-full-path" />
+               </xsl:attribute>
+               <svrl:text>The decimal value of s:inner should be 1.</svrl:text>
+            </svrl:failed-assert>
+         </xsl:otherwise>
+      </xsl:choose>
+
+      <xsl:apply-templates select="*|comment()|processing-instruction()" mode="M3" />
+   </xsl:template>
+
+   <xsl:template match="text()" priority="-1" mode="M3" />
+   <xsl:template match="@*|node()" priority="-2" mode="M3">
+      <xsl:apply-templates select="*|comment()|processing-instruction()" mode="M3" />
+   </xsl:template>
+</xsl:stylesheet>
diff --git a/src/test/resources/examples/invalid/xslt-runtime-error/repository/simple.xsd b/src/test/resources/examples/invalid/xslt-runtime-error/repository/simple.xsd
new file mode 100644
index 0000000..04d5923
--- /dev/null
+++ b/src/test/resources/examples/invalid/xslt-runtime-error/repository/simple.xsd
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  ~ Copyright 2017-2022  Koordinierungsstelle für IT-Standards (KoSIT)
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:tns="http://validator.kosit.de/test-sample" version="1.0" xml:lang="en"
+           targetNamespace="http://validator.kosit.de/test-sample" elementFormDefault="qualified">
+
+    <xs:element name="simple" type="tns:SimpleType" />
+    <xs:element name="foo" type="tns:SimpleType" />
+
+    <xs:complexType name="SimpleType">
+        <xs:sequence>
+            <xs:element name="inner" type="xs:string" minOccurs="0" maxOccurs="unbounded" />
+            <xs:element name="content" type="xs:anyType" />
+        </xs:sequence>
+    </xs:complexType>
+</xs:schema>  
\ No newline at end of file
diff --git a/src/test/resources/examples/invalid/xslt-runtime-error/scenarios-with-xslt-runtime-error.xml b/src/test/resources/examples/invalid/xslt-runtime-error/scenarios-with-xslt-runtime-error.xml
new file mode 100644
index 0000000..f1c13a6
--- /dev/null
+++ b/src/test/resources/examples/invalid/xslt-runtime-error/scenarios-with-xslt-runtime-error.xml
@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<scenarios xmlns="http://www.xoev.de/de/validator/framework/1/scenarios" frameworkVersion="1.1.2">
+    <name>XSLT-Runtime-Error-TestSuite</name>
+    <author>QA</author>
+    <date>2026-03-02</date>
+    <description>
+        <p>Szenario für Tests</p>
+    </description>
+
+    <scenario>
+        <name>Simple</name>
+        <description>
+            <p>Teste Fehlerfall.</p>
+        </description>
+        <namespace prefix="cri">http://www.xoev.de/de/validator/framework/1/createreportinput</namespace>
+        <namespace prefix="test">http://validator.kosit.de/test-sample</namespace>
+        <namespace prefix="rpt">http://validator.kosit.de/test-report</namespace>
+        <match>/</match>
+
+        <validateWithXmlSchema>
+            <resource>
+                <name>Sample Schema</name>
+                <location>repository/simple.xsd</location>
+            </resource>
+        </validateWithXmlSchema>
+        <validateWithSchematron>
+            <resource>
+                <name>Sample Schematron</name>
+                <location>repository/simple-xslt-runtime-error.xsl</location>
+            </resource>
+        </validateWithSchematron>
+        <createReport>
+            <resource>
+                <name>Report für eRechnung</name>
+                <location>repository/report.xsl</location>
+            </resource>
+        </createReport>
+    </scenario>
+
+    <noScenarioReport>
+        <resource>
+            <name>default</name>
+            <location>repository/report.xsl</location>
+        </resource>
+    </noScenarioReport>
+</scenarios>
+<!--
+  ~ Copyright 2017-2026  Koordinierungsstelle für IT-Standards (KoSIT)
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~     http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->