diff --git a/json/src/com/jetbrains/jsonSchema/impl/JsonCachedValues.java b/json/src/com/jetbrains/jsonSchema/impl/JsonCachedValues.java
index 0ea549c60cd9..e753e3d12bef 100644
--- a/json/src/com/jetbrains/jsonSchema/impl/JsonCachedValues.java
+++ b/json/src/com/jetbrains/jsonSchema/impl/JsonCachedValues.java
@@ -120,7 +120,8 @@ public class JsonCachedValues {
 
   @Nullable
   static String fetchSchemaId(@NotNull PsiFile psiFile) {
-    final JsonObject topLevelValue = ObjectUtils.tryCast(((JsonFile)psiFile).getTopLevelValue(), JsonObject.class);
+    final JsonObject topLevelValue = AstLoadingFilter
+      .forceAllowTreeLoading(psiFile, () ->ObjectUtils.tryCast(((JsonFile)psiFile).getTopLevelValue(), JsonObject.class));
     return topLevelValue == null ? null : readId(topLevelValue);
   }
 
diff --git a/plugins/editorconfig/src/org/editorconfig/language/util/headers/EditorConfigHeaderOverrideSearcherBase.kt b/plugins/editorconfig/src/org/editorconfig/language/util/headers/EditorConfigHeaderOverrideSearcherBase.kt
index 791c8e3d2fbc..1c1c39c82904 100644
--- a/plugins/editorconfig/src/org/editorconfig/language/util/headers/EditorConfigHeaderOverrideSearcherBase.kt
+++ b/plugins/editorconfig/src/org/editorconfig/language/util/headers/EditorConfigHeaderOverrideSearcherBase.kt
@@ -1,6 +1,7 @@
 // Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 package org.editorconfig.language.util.headers
 
+import com.intellij.util.AstLoadingFilter
 import org.editorconfig.language.psi.EditorConfigHeader
 import org.editorconfig.language.psi.EditorConfigPsiFile
 import org.editorconfig.language.psi.EditorConfigSection
@@ -27,7 +28,7 @@ abstract class EditorConfigHeaderOverrideSearcherBase {
     val currentFile = EditorConfigPsiTreeUtil.getOriginalFile(header.containingFile) as? EditorConfigPsiFile ?: return emptySequence()
 
     return findRelevantPsiFiles(currentFile)
-      .map(EditorConfigPsiFile::sections)
+      .map { AstLoadingFilter.forceAllowTreeLoading<List<EditorConfigSection>, RuntimeException>(it) { it.sections } }
       .flatMap(List<EditorConfigSection>::asSequence)
       .map(EditorConfigSection::getHeader)
       .filter(EditorConfigHeader::isValidGlob)
diff --git a/xml/relaxng/src/org/intellij/plugins/relaxNG/model/descriptors/RngElementDescriptor.java b/xml/relaxng/src/org/intellij/plugins/relaxNG/model/descriptors/RngElementDescriptor.java
index abdfb18f0fc8..91f03f1d97e7 100644
--- a/xml/relaxng/src/org/intellij/plugins/relaxNG/model/descriptors/RngElementDescriptor.java
+++ b/xml/relaxng/src/org/intellij/plugins/relaxNG/model/descriptors/RngElementDescriptor.java
@@ -28,6 +28,7 @@ import com.intellij.psi.util.*;
 import com.intellij.psi.xml.XmlAttribute;
 import com.intellij.psi.xml.XmlTag;
 import com.intellij.util.ArrayUtil;
+import com.intellij.util.AstLoadingFilter;
 import com.intellij.xml.XmlAttributeDescriptor;
 import com.intellij.xml.XmlElementDescriptor;
 import com.intellij.xml.XmlElementsGroup;
@@ -271,6 +272,11 @@ public class RngElementDescriptor implements XmlElementDescriptor {
       return decl;
     }
 
+    return AstLoadingFilter.forceAllowTreeLoading(file, () -> getDeclarationImpl(project, decl, location, file));
+  }
+
+  @Nullable
+  private static PsiElement getDeclarationImpl(@NotNull Project project, PsiElement decl, Locator location, PsiFile file) {
     final int column = location.getColumnNumber();
     final int line = location.getLineNumber();
 
diff --git a/xml/xml-psi-impl/src/com/intellij/psi/impl/source/xml/XmlTagImpl.java b/xml/xml-psi-impl/src/com/intellij/psi/impl/source/xml/XmlTagImpl.java
index 0a967084c240..bb036f47e4da 100644
--- a/xml/xml-psi-impl/src/com/intellij/psi/impl/source/xml/XmlTagImpl.java
+++ b/xml/xml-psi-impl/src/com/intellij/psi/impl/source/xml/XmlTagImpl.java
@@ -462,7 +462,7 @@ public class XmlTagImpl extends XmlElementImpl implements XmlTag, HintedReferenc
     if (file == null) {
       return namespace.equals(XmlUtil.getTargetSchemaNsFromTag(this)) ? this : null;
     }
-    return file.getDocument();
+    return AstLoadingFilter.forceAllowTreeLoading(file, () -> file.getDocument());
   }
 
   @Override