diff --git a/convert/src/main/kotlin/com/github/zeldigas/text2confl/convert/asciidoc/AsciidocParser.kt b/convert/src/main/kotlin/com/github/zeldigas/text2confl/convert/asciidoc/AsciidocParser.kt
index ec38be72..13388cc4 100644
--- a/convert/src/main/kotlin/com/github/zeldigas/text2confl/convert/asciidoc/AsciidocParser.kt
+++ b/convert/src/main/kotlin/com/github/zeldigas/text2confl/convert/asciidoc/AsciidocParser.kt
@@ -5,6 +5,7 @@ import com.vladsch.flexmark.util.sequence.Escaping.unescapeHtml
 import org.asciidoctor.*
 import org.asciidoctor.ast.Document
 import java.nio.file.Path
+import java.nio.file.Paths
 import kotlin.io.path.Path
 import kotlin.io.path.div
 
@@ -14,7 +15,7 @@ class AsciidocParser(
 ) {
 
     companion object {
-        private val TEMPLATES_LOCATION = "/com/github/zeldigas/text2confl/asciidoc"
+        private val TEMPLATES_LOCATION = "com/github/zeldigas/text2confl/asciidoc"
     }
 
     private val ADOC: Asciidoctor by lazy {
@@ -27,9 +28,10 @@ class AsciidocParser(
     }
 
     private val templatesLocation: Path by lazy {
-        val templateResources = AsciidocParser::class.java.getResource(TEMPLATES_LOCATION)!!.toURI()
+        val templateResources = AsciidocParser::class.java.classLoader.getResource(TEMPLATES_LOCATION)!!.toURI()
         if (templateResources.scheme == "file") {
-            Path(templateResources.path)
+            val mainPath: String = Paths.get(templateResources).toString()
+            Path(mainPath)
         } else {
             val dest = config.workdir / "templates"
 
diff --git a/convert/src/main/kotlin/com/github/zeldigas/text2confl/convert/confluence/ReferenceProvider.kt b/convert/src/main/kotlin/com/github/zeldigas/text2confl/convert/confluence/ReferenceProvider.kt
index 7a372ce0..9b34908e 100644
--- a/convert/src/main/kotlin/com/github/zeldigas/text2confl/convert/confluence/ReferenceProvider.kt
+++ b/convert/src/main/kotlin/com/github/zeldigas/text2confl/convert/confluence/ReferenceProvider.kt
@@ -1,7 +1,12 @@
 package com.github.zeldigas.text2confl.convert.confluence
 
 import com.github.zeldigas.text2confl.convert.PageHeader
+import io.github.oshai.kotlinlogging.KotlinLogging
+import java.net.URL
+import java.nio.file.InvalidPathException
 import java.nio.file.Path
+import java.util.regex.Matcher
+import java.util.regex.Pattern
 import kotlin.io.path.relativeTo
 
 interface ReferenceProvider {
@@ -39,24 +44,41 @@ class ReferenceProviderImpl(private val basePath: Path, documents: Map<Path, Pag
     ReferenceProvider {
 
     companion object {
-        private val URI_DETECTOR = "^[a-zA-Z][a-zA-Z0-9.+-]+:/{0,2}".toRegex()
+        private const val URI_DETECTOR = "^(https?|ftp)://[-a-zA-Z0-9+&@#/%?=~_|!:,.;'()]*[-a-zA-Z0-9+&@#/%=~_|]"
+        private const val MAILTO_DETECTOR = "mailto:"
+        private const val LOCALHOST_DETECTOR = "localhost:"
+
+        private val logger = KotlinLogging.logger {}
+    }
+    fun isValid(url: String): Boolean {
+        val pattern = Pattern.compile(URI_DETECTOR, Pattern.CASE_INSENSITIVE);
+        val matcher = pattern.matcher(url.trim());
+        return matcher.matches();
     }
 
     private val normalizedDocs =
         documents.map { (path, header) -> path.relativeTo(basePath).normalize() to header }.toMap()
 
     override fun resolveReference(source: Path, refTo: String): Reference? {
-        if (URI_DETECTOR.matches(refTo)) return null
+
+        if (refTo.startsWith(MAILTO_DETECTOR)) return null
+        if (refTo.startsWith(LOCALHOST_DETECTOR)) return null
+        if (isValid(refTo)) return null
         if (refTo.startsWith("#")) return Anchor(refTo.substring(1))
 
         val parts = refTo.split("#", limit = 2)
         val ref = parts[0]
         val anchor = parts.getOrNull(1)
 
-        val targetPath = source.resolveSibling(ref).relativeTo(basePath).normalize()
+        try {
 
-        val document = normalizedDocs[targetPath]?.title ?: return null
-        return Xref(document, anchor)
+            val targetPath = source.resolveSibling(ref).relativeTo(basePath).normalize()
+            val document = normalizedDocs[targetPath]?.title ?: return null
+            return Xref(document, anchor)
+        } catch (ex: InvalidPathException) {
+            logger.error { "Failed to resolve : $refTo  from $source" }
+            throw ex
+        }
     }
 
     override fun pathFromDocsRoot(source: Path): Path {
@@ -83,4 +105,3 @@ class ReferenceProviderImpl(private val basePath: Path, documents: Map<Path, Pag
 
 
 }
-
diff --git a/convert/src/main/kotlin/com/github/zeldigas/text2confl/convert/markdown/ConfluenceStorageFormatConverters.kt b/convert/src/main/kotlin/com/github/zeldigas/text2confl/convert/markdown/ConfluenceStorageFormatConverters.kt
index 6845027f..f2332005 100644
--- a/convert/src/main/kotlin/com/github/zeldigas/text2confl/convert/markdown/ConfluenceStorageFormatConverters.kt
+++ b/convert/src/main/kotlin/com/github/zeldigas/text2confl/convert/markdown/ConfluenceStorageFormatConverters.kt
@@ -197,7 +197,7 @@ class ConfluenceNodeRenderer(options: DataHolder) : PhasedNodeRenderer, Attribut
         val resolvedLink = context.resolveLink(LinkType.IMAGE, node.url.unescape(), null, null)
         var linkUrl: String = resolvedLink.url
 
-        if (!node.urlContent.isEmpty) {
+        if (node.urlContent.isNotEmpty) {
             // reverse URL encoding of =, &
             val content = Escaping.percentEncodeUrl(node.urlContent).replace("+", "%2B").replace("%3D", "=")
                 .replace("%26", "&amp;")
diff --git a/convert/src/test/kotlin/com/github/zeldigas/text2confl/convert/PageContentTest.kt b/convert/src/test/kotlin/com/github/zeldigas/text2confl/convert/PageContentTest.kt
index 0fa84fcc..6a5c7a55 100644
--- a/convert/src/test/kotlin/com/github/zeldigas/text2confl/convert/PageContentTest.kt
+++ b/convert/src/test/kotlin/com/github/zeldigas/text2confl/convert/PageContentTest.kt
@@ -11,6 +11,7 @@ import org.junit.jupiter.api.io.TempDir
 import org.junit.jupiter.params.ParameterizedTest
 import org.junit.jupiter.params.provider.CsvSource
 import java.nio.file.Path
+import java.util.*
 import kotlin.io.path.Path
 import kotlin.io.path.writeBytes
 
@@ -70,6 +71,7 @@ class PageContentTest {
 
     @Test
     internal fun `Invalid result for unbalanced xml`() {
+        Locale.setDefault(Locale.ENGLISH);
         val sampleXml = """
                 <table>    
                 <p ac:parameter="hello">hello world</p>                                
diff --git a/convert/src/test/kotlin/com/github/zeldigas/text2confl/convert/confluence/ReferenceProviderImplTest.kt b/convert/src/test/kotlin/com/github/zeldigas/text2confl/convert/confluence/ReferenceProviderImplTest.kt
index 8e1192bf..21b90b6b 100644
--- a/convert/src/test/kotlin/com/github/zeldigas/text2confl/convert/confluence/ReferenceProviderImplTest.kt
+++ b/convert/src/test/kotlin/com/github/zeldigas/text2confl/convert/confluence/ReferenceProviderImplTest.kt
@@ -3,6 +3,7 @@ package com.github.zeldigas.text2confl.convert.confluence
 import assertk.assertThat
 import assertk.assertions.isEqualTo
 import assertk.assertions.isNotNull
+import assertk.assertions.isNull
 import com.github.zeldigas.text2confl.convert.PageHeader
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.params.ParameterizedTest
@@ -68,4 +69,49 @@ internal class ReferenceProviderImplTest {
 
         assertThat(result).isNotNull().isEqualTo(Xref("Sub Title One", "test"))
     }
+
+
+    @Test
+    internal fun `Http resolution`() {
+        val result = providerImpl.resolveReference(Path("docs/one.md"), "http://github.com")
+
+        assertThat(result).isNull()
+    }
+
+    @Test
+    internal fun `Https resolution`() {
+        val result = providerImpl.resolveReference(Path("docs/one.md"), "https://github.com")
+
+        assertThat(result).isNull()
+    }
+
+    @Test
+    internal fun `Mailto resolution`() {
+        val result = providerImpl.resolveReference(Path("docs/one.md"), "mailto:john.doe@github.com")
+
+        assertThat(result).isNull()
+    }
+
+
+    @Test
+    internal fun `French url resolution`() {
+        val result = providerImpl.resolveReference(Path("docs/one.md"), "http://github.com/handle'case")
+
+        assertThat(result).isNull()
+    }
+
+    @Test
+    internal fun `Parenthesis url resolution`() {
+        val result = providerImpl.resolveReference(Path("docs/one.md"), "http://github.com/handle()case")
+
+        assertThat(result).isNull()
+    }
+
+    @Test
+    internal fun `localhost url resolution`() {
+        val result = providerImpl.resolveReference(Path("docs/one.md"), "localhost:9000")
+
+        assertThat(result).isNull()
+    }
+
 }
\ No newline at end of file