feat(logs): add -DBEAST_ENHANCED_LOGGING with file:line numbers for JLOG macro (#552)

.github/actions/xahau-ga-dependencies/action.yml

@@ -84,6 +84,8 @@ runs:
 
     - name: Install dependencies
       shell: bash
+      env:
+        CONAN_REQUEST_TIMEOUT: 180  # Increase timeout to 3 minutes for slow mirrors
       run: |
         # Create build directory
         mkdir -p ${{ inputs.build_dir }}

Builds/CMake/RippledCore.cmake

@@ -50,6 +50,12 @@ target_sources (xrpl_core PRIVATE
   src/ripple/beast/utility/src/beast_Journal.cpp
   src/ripple/beast/utility/src/beast_PropertyStream.cpp)
 
+# Conditionally add enhanced logging source when BEAST_ENHANCED_LOGGING is enabled
+if(DEFINED BEAST_ENHANCED_LOGGING AND BEAST_ENHANCED_LOGGING)
+  target_sources(xrpl_core PRIVATE
+    src/ripple/beast/utility/src/beast_EnhancedLogging.cpp)
+endif()
+
 #[===============================[
     core sources
 #]===============================]
@@ -155,6 +161,13 @@ target_link_libraries (xrpl_core
     ed25519::ed25519
     date::date
     Ripple::opts)
+
+# Link date-tz library when enhanced logging is enabled
+if(DEFINED BEAST_ENHANCED_LOGGING AND BEAST_ENHANCED_LOGGING)
+  if(TARGET date::date-tz)
+    target_link_libraries(xrpl_core PUBLIC date::date-tz)
+  endif()
+endif()
 #[=================================[
    main/core headers installation
 #]=================================]

CMakeLists.txt

@@ -33,6 +33,25 @@ if(Git_FOUND)
     endif()
 endif() #git
 
+# make SOURCE_ROOT_PATH define available for logging
+set(SOURCE_ROOT_PATH "${CMAKE_CURRENT_SOURCE_DIR}/src/")
+add_definitions(-DSOURCE_ROOT_PATH="${SOURCE_ROOT_PATH}")
+
+# BEAST_ENHANCED_LOGGING option - adds file:line numbers and formatting to logs
+# Default to ON for Debug builds, OFF for Release
+if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+    option(BEAST_ENHANCED_LOGGING "Include file and line numbers in log messages" ON)
+else()
+    option(BEAST_ENHANCED_LOGGING "Include file and line numbers in log messages" OFF)
+endif()
+
+if(BEAST_ENHANCED_LOGGING)
+    add_definitions(-DBEAST_ENHANCED_LOGGING=1)
+    message(STATUS "Log line numbers enabled")
+else()
+    message(STATUS "Log line numbers disabled")
+endif()
+
 if(thread_safety_analysis)
   add_compile_options(-Wthread-safety -D_LIBCPP_ENABLE_THREAD_SAFETY_ANNOTATIONS -DRIPPLE_ENABLE_THREAD_SAFETY_ANNOTATIONS)
   add_compile_options("-stdlib=libc++")

conanfile.py

@@ -26,7 +26,7 @@ class Xrpl(ConanFile):
     }
 
     requires = [
-        'date/3.0.1',
+        'date/3.0.3',
         'libarchive/3.6.0',
         'lz4/1.9.4',
         'grpc/1.50.1',
@@ -52,7 +52,7 @@ class Xrpl(ConanFile):
         'tool_requires_b2': False,
 
         'cassandra-cpp-driver/*:shared': False,
-        'date/*:header_only': True,
+        'date/*:header_only': False,
         'grpc/*:shared': False,
         'grpc/*:secure': True,
         'libarchive/*:shared': False,

src/ripple/app/misc/impl/Manifest.cpp

@@ -156,34 +156,22 @@ deserializeManifest(Slice s, beast::Journal journal)
     }
 }
 
-template <class Stream>
+// Helper macros to format manifest log messages while preserving line numbers
-Stream&
+#define LOG_MANIFEST_ACTION(stream, action, pk, seq)                   \
-logMftAct(
+    do                                                                 \
-    Stream& s,
+    {                                                                  \
-    std::string const& action,
+        JLOG(stream) << "Manifest: " << action                         \
-    PublicKey const& pk,
+                     << ";Pk: " << toBase58(TokenType::NodePublic, pk) \
-    std::uint32_t seq)
+                     << ";Seq: " << seq << ";";                        \
-{
+    } while (0)
-    s << "Manifest: " << action
-      << ";Pk: " << toBase58(TokenType::NodePublic, pk) << ";Seq: " << seq
-      << ";";
-    return s;
-}
 
-template <class Stream>
+#define LOG_MANIFEST_ACTION_WITH_OLD(stream, action, pk, seq, oldSeq)    \
-Stream&
+    do                                                                   \
-logMftAct(
+    {                                                                    \
-    Stream& s,
+        JLOG(stream) << "Manifest: " << action                           \
-    std::string const& action,
+                     << ";Pk: " << toBase58(TokenType::NodePublic, pk)   \
-    PublicKey const& pk,
+                     << ";Seq: " << seq << ";OldSeq: " << oldSeq << ";"; \
-    std::uint32_t seq,
+    } while (0)
-    std::uint32_t oldSeq)
-{
-    s << "Manifest: " << action
-      << ";Pk: " << toBase58(TokenType::NodePublic, pk) << ";Seq: " << seq
-      << ";OldSeq: " << oldSeq << ";";
-    return s;
-}
 
 bool
 Manifest::verify() const
@@ -381,7 +369,7 @@ ManifestCache::applyManifest(Manifest m)
             // several cases including when we receive manifests from a peer who
             // doesn't have the latest data.
             if (auto stream = j_.debug())
-                logMftAct(
+                LOG_MANIFEST_ACTION_WITH_OLD(
                     stream,
                     "Stale",
                     m.masterKey,
@@ -393,7 +381,7 @@ ManifestCache::applyManifest(Manifest m)
         if (checkSignature && !m.verify())
         {
             if (auto stream = j_.warn())
-                logMftAct(stream, "Invalid", m.masterKey, m.sequence);
+                LOG_MANIFEST_ACTION(stream, "Invalid", m.masterKey, m.sequence);
             return ManifestDisposition::invalid;
         }
 
@@ -407,7 +395,7 @@ ManifestCache::applyManifest(Manifest m)
         bool const revoked = m.revoked();
 
         if (auto stream = j_.warn(); stream && revoked)
-            logMftAct(stream, "Revoked", m.masterKey, m.sequence);
+            LOG_MANIFEST_ACTION(stream, "Revoked", m.masterKey, m.sequence);
 
         // Sanity check: the master key of this manifest should not be used as
         // the ephemeral key of another manifest:
@@ -476,7 +464,7 @@ ManifestCache::applyManifest(Manifest m)
     if (iter == map_.end())
     {
         if (auto stream = j_.info())
-            logMftAct(stream, "AcceptedNew", m.masterKey, m.sequence);
+            LOG_MANIFEST_ACTION(stream, "AcceptedNew", m.masterKey, m.sequence);
 
         if (!revoked)
             signingToMasterKeys_[m.signingKey] = m.masterKey;
@@ -489,7 +477,7 @@ ManifestCache::applyManifest(Manifest m)
     // An ephemeral key was revoked and superseded by a new key. This is
     // expected, but should happen infrequently.
     if (auto stream = j_.info())
-        logMftAct(
+        LOG_MANIFEST_ACTION_WITH_OLD(
             stream,
             "AcceptedUpdate",
             m.masterKey,
@@ -584,4 +572,9 @@ ManifestCache::save(
 
     saveManifests(*db, dbTable, isTrusted, map_, j_);
 }
+
+// Clean up macros to avoid namespace pollution
+#undef LOG_MANIFEST_ACTION
+#undef LOG_MANIFEST_ACTION_WITH_OLD
+
 }  // namespace ripple

src/ripple/basics/Log.h

@@ -249,13 +249,22 @@ private:
 // Wraps a Journal::Stream to skip evaluation of
 // expensive argument lists if the stream is not active.
 #ifndef JLOG
+#ifdef BEAST_ENHANCED_LOGGING
 #define JLOG(x) \
-    if (!x)     \
+    if (!(x))   \
+    {           \
+    }           \
+    else        \
+        (x).withLocation(__FILE__, __LINE__)
+#else
+#define JLOG(x) \
+    if (!(x))   \
     {           \
     }           \
     else        \
         x
 #endif
+#endif
 
 //------------------------------------------------------------------------------
 // Debug logging:

src/ripple/basics/impl/Log.cpp

@@ -17,11 +17,19 @@
 */
 //==============================================================================
 
+#include <date/date.h>
+
 #include <ripple/basics/Log.h>
 #include <ripple/basics/chrono.h>
 #include <ripple/basics/contract.h>
+#ifdef BEAST_ENHANCED_LOGGING
+#include <ripple/beast/utility/EnhancedLogging.h>
+#include <date/tz.h>
+#endif
 #include <boost/algorithm/string.hpp>
 #include <cassert>
+#include <cstring>
+#include <ctime>
 #include <fstream>
 #include <functional>
 #include <iostream>
@@ -316,11 +324,46 @@ Logs::format(
 {
     output.reserve(message.size() + partition.size() + 100);
 
-    output = to_string(std::chrono::system_clock::now());
+#ifdef BEAST_ENHANCED_LOGGING
+    // Environment variables are used instead of config file because:
+    // 1. Logging starts before config parsing (needed to debug config issues)
+    // 2. This is a developer feature - devs can easily set env vars
+    // 3. Allows per-run overrides without editing config files
+    static const char* fmt = []() {
+        const char* env = std::getenv("LOG_DATE_FORMAT");
+        return env ? env : "%Y-%b-%d %T %Z";  // Default format
+    }();
+
+    // Check if we should use local time
+    static const bool useLocalTime = []() {
+        const char* env = std::getenv("LOG_DATE_LOCAL");
+        return env && std::strcmp(env, "1") == 0;
+    }();
+
+    if (useLocalTime)
+    {
+        auto now = std::chrono::system_clock::now();
+        auto local = date::make_zoned(date::current_zone(), now);
+        output = date::format(fmt, local);
+    }
+    else
+    {
+        output = date::format(fmt, std::chrono::system_clock::now());
+    }
+#else
+    output = to_string(std::chrono::system_clock::now());
+#endif
+
+    if (!output.empty())  // Allow setting date format to an empty string
+        output += " ";
 
-    output += " ";
     if (!partition.empty())
+    {
+#ifdef BEAST_ENHANCED_LOGGING
+        output += beast::detail::get_log_highlight_color();
+#endif
         output += partition + ":";
+    }
 
     using namespace beast::severities;
     switch (severity)
@@ -348,6 +391,10 @@ Logs::format(
             break;
     }
 
+#ifdef BEAST_ENHANCED_LOGGING
+    output += "\033[0m";
+#endif
+
     output += message;
 
     // Limit the maximum length of the output

src/ripple/beast/utility/EnhancedLogging.h

@@ -0,0 +1,85 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of Beast: https://github.com/vinniefalco/Beast
+    Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#ifndef BEAST_UTILITY_ENHANCEDLOGGING_H_INCLUDED
+#define BEAST_UTILITY_ENHANCEDLOGGING_H_INCLUDED
+
+#include <cstddef>  // for size_t
+#include <iosfwd>   // for std::ostream
+
+namespace beast {
+namespace detail {
+
+// Check if we should use colors - cached at startup
+bool
+should_log_use_colors();
+
+// Get the log highlight color - can be overridden via
+// LOG_HIGHLIGHT_COLOR
+const char*
+get_log_highlight_color();
+
+// Strip source root path from __FILE__ at compile time
+// IMPORTANT: This MUST stay in the header as constexpr for compile-time
+// evaluation!
+constexpr const char*
+strip_source_root(const char* file)
+{
+#ifdef SOURCE_ROOT_PATH
+    constexpr const char* sourceRoot = SOURCE_ROOT_PATH;
+    constexpr auto strlen_constexpr = [](const char* s) constexpr
+    {
+        const char* p = s;
+        while (*p)
+            ++p;
+        return p - s;
+    };
+    constexpr auto strncmp_constexpr =
+        [](const char* a, const char* b, size_t n) constexpr
+    {
+        for (size_t i = 0; i < n; ++i)
+        {
+            if (a[i] != b[i])
+                return a[i] - b[i];
+            if (a[i] == '\0')
+                break;
+        }
+        return 0;
+    };
+    constexpr size_t sourceRootLen = strlen_constexpr(sourceRoot);
+    return (strncmp_constexpr(file, sourceRoot, sourceRootLen) == 0)
+        ? file + sourceRootLen
+        : file;
+#else
+    return file;
+#endif
+}
+
+// Check if location info should be shown - cached at startup
+bool
+should_show_location();
+
+// Helper to write location string (no leading/trailing space)
+void
+log_write_location_string(std::ostream& os, const char* file, int line);
+
+}  // namespace detail
+}  // namespace beast
+
+#endif

src/ripple/beast/utility/Journal.h

@@ -146,6 +146,10 @@ private:
 
         ScopedStream(Sink& sink, Severity level);
 
+#ifdef BEAST_ENHANCED_LOGGING
+        ScopedStream(Sink& sink, Severity level, const char* file, int line);
+#endif
+
         template <typename T>
         ScopedStream(Stream const& stream, T const& t);
 
@@ -173,6 +177,10 @@ private:
         Sink& m_sink;
         Severity const m_level;
         std::ostringstream mutable m_ostream;
+#ifdef BEAST_ENHANCED_LOGGING
+        const char* file_ = nullptr;
+        int line_ = 0;
+#endif
     };
 
 #ifndef __INTELLISENSE__
@@ -191,6 +199,33 @@ private:
     //--------------------------------------------------------------------------
 public:
     /** Provide a light-weight way to check active() before string formatting */
+
+#ifdef BEAST_ENHANCED_LOGGING
+    /** Stream with location information that prepends file:line to the first
+     * message */
+    class StreamWithLocation
+    {
+    public:
+        StreamWithLocation(Stream const& stream, const char* file, int line)
+            : file_(file), line_(line), stream_(stream)
+        {
+        }
+
+        /** Override to inject file:line before the first output */
+        template <typename T>
+        ScopedStream
+        operator<<(T const& t) const;
+
+        ScopedStream
+        operator<<(std::ostream& manip(std::ostream&)) const;
+
+    private:
+        const char* file_;
+        int line_;
+        const Stream& stream_;
+    };
+#endif
+
     class Stream
     {
     public:
@@ -255,6 +290,15 @@ public:
         operator<<(T const& t) const;
         /** @} */
 
+#ifdef BEAST_ENHANCED_LOGGING
+        /** Create a StreamWithLocation that prepends file:line info */
+        StreamWithLocation
+        withLocation(const char* file, int line) const
+        {
+            return StreamWithLocation(*this, file, line);
+        }
+#endif
+
     private:
         Sink& m_sink;
         Severity m_level;
@@ -354,6 +398,8 @@ static_assert(std::is_nothrow_destructible<Journal>::value == true, "");
 
 //------------------------------------------------------------------------------
 
+//------------------------------------------------------------------------------
+
 template <typename T>
 Journal::ScopedStream::ScopedStream(Journal::Stream const& stream, T const& t)
     : ScopedStream(stream.sink(), stream.level())
@@ -378,6 +424,21 @@ Journal::Stream::operator<<(T const& t) const
     return ScopedStream(*this, t);
 }
 
+#ifdef BEAST_ENHANCED_LOGGING
+//------------------------------------------------------------------------------
+
+template <typename T>
+Journal::ScopedStream
+Journal::StreamWithLocation::operator<<(T const& t) const
+{
+    // Create a ScopedStream with location info
+    ScopedStream scoped(stream_.sink(), stream_.level(), file_, line_);
+    scoped.ostream() << t;
+    return scoped;
+}
+
+#endif
+
 namespace detail {
 
 template <class CharT, class Traits = std::char_traits<CharT>>

src/ripple/beast/utility/src/beast_EnhancedLogging.cpp

@@ -0,0 +1,114 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of Beast: https://github.com/vinniefalco/Beast
+    Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#include <ripple/beast/utility/EnhancedLogging.h>
+#include <cstdlib>
+#include <cstring>
+#include <ostream>
+#include <unistd.h>
+
+namespace beast {
+namespace detail {
+
+// Check if we should use colors - cached at startup
+bool
+should_log_use_colors()
+{
+    static const bool use_colors = []() {
+        // Honor NO_COLOR environment variable (standard)
+        if (std::getenv("NO_COLOR"))
+            return false;
+
+        // Honor FORCE_COLOR to override terminal detection
+        if (std::getenv("FORCE_COLOR"))
+            return true;
+
+        // Check if stderr is a terminal
+        return isatty(STDERR_FILENO) != 0;
+    }();
+    return use_colors;
+}
+
+// Get the log highlight color - can be overridden via
+// LOG_HIGHLIGHT_COLOR
+const char*
+get_log_highlight_color()
+{
+    static const char* escape = []() {
+        const char* env = std::getenv("LOG_HIGHLIGHT_COLOR");
+        if (!env)
+            return "\033[36m";  // Default: cyan
+
+        // Simple map of color names to escape sequences
+        if (std::strcmp(env, "red") == 0)
+            return "\033[31m";
+        if (std::strcmp(env, "green") == 0)
+            return "\033[32m";
+        if (std::strcmp(env, "yellow") == 0)
+            return "\033[33m";
+        if (std::strcmp(env, "blue") == 0)
+            return "\033[34m";
+        if (std::strcmp(env, "magenta") == 0)
+            return "\033[35m";
+        if (std::strcmp(env, "cyan") == 0)
+            return "\033[36m";
+        if (std::strcmp(env, "white") == 0)
+            return "\033[37m";
+        if (std::strcmp(env, "gray") == 0 || std::strcmp(env, "grey") == 0)
+            return "\033[90m";  // Bright black (gray)
+        if (std::strcmp(env, "orange") == 0)
+            return "\033[93m";  // Bright yellow (appears orange-ish)
+        if (std::strcmp(env, "none") == 0)
+            return "";
+
+        // Default to cyan if unknown color name
+        return "\033[36m";
+    }();
+    return escape;
+}
+
+// Check if location info should be shown - cached at startup
+bool
+should_show_location()
+{
+    static const bool show = []() {
+        const char* env = std::getenv("LOG_DISABLE");
+        // Show location by default, hide if LOG_DISABLE=1
+        return !env || std::strcmp(env, "1") != 0;
+    }();
+    return show;
+}
+
+// Helper to write location string (no leading/trailing space)
+void
+log_write_location_string(std::ostream& os, const char* file, int line)
+{
+    if (detail::should_log_use_colors())
+    {
+        os << detail::get_log_highlight_color() << "["
+           << detail::strip_source_root(file) << ":" << line << "]\033[0m";
+    }
+    else
+    {
+        os << "[" << detail::strip_source_root(file) << ":" << line << "]";
+    }
+}
+
+}  // namespace detail
+}  // namespace beast

src/ripple/beast/utility/src/beast_Journal.cpp

@@ -19,6 +19,11 @@
 
 #include <ripple/beast/utility/Journal.h>
 #include <cassert>
+#ifdef BEAST_ENHANCED_LOGGING
+#include <ripple/beast/utility/EnhancedLogging.h>
+#include <cstdlib>
+#include <cstring>
+#endif
 
 namespace beast {
 
@@ -131,9 +136,36 @@ Journal::ScopedStream::ScopedStream(
     m_ostream << manip;
 }
 
+#ifdef BEAST_ENHANCED_LOGGING
+Journal::ScopedStream::ScopedStream(
+    Sink& sink,
+    Severity level,
+    const char* file,
+    int line)
+    : m_sink(sink), m_level(level), file_(file), line_(line)
+{
+    // Modifiers applied from all ctors
+    m_ostream << std::boolalpha << std::showbase;
+}
+#endif
+
 Journal::ScopedStream::~ScopedStream()
 {
-    std::string const& s(m_ostream.str());
+    std::string s(m_ostream.str());
+
+#ifdef BEAST_ENHANCED_LOGGING
+    // Add suffix if location is enabled
+    if (file_ && detail::should_show_location() && !s.empty() && s != "\n")
+    {
+        std::ostringstream combined;
+        combined << s;
+        if (!s.empty() && s.back() != ' ')
+            combined << " ";
+        detail::log_write_location_string(combined, file_, line_);
+        s = combined.str();
+    }
+#endif
+
     if (!s.empty())
     {
         if (s == "\n")
@@ -157,4 +189,18 @@ Journal::Stream::operator<<(std::ostream& manip(std::ostream&)) const
     return ScopedStream(*this, manip);
 }
 
+#ifdef BEAST_ENHANCED_LOGGING
+
+// Implementation moved to use new constructor
+Journal::ScopedStream
+Journal::StreamWithLocation::operator<<(
+    std::ostream& manip(std::ostream&)) const
+{
+    // Create a ScopedStream with location info
+    ScopedStream scoped(stream_.sink(), stream_.level(), file_, line_);
+    scoped.ostream() << manip;
+    return scoped;
+}
+#endif
+
 }  // namespace beast

src/test/ledger/Invariants_test.cpp

@@ -23,6 +23,7 @@
 #include <ripple/beast/utility/Journal.h>
 #include <ripple/protocol/STLedgerEntry.h>
 #include <boost/algorithm/string/predicate.hpp>
+#include <regex>
 #include <test/jtx.h>
 #include <test/jtx/Env.h>
 
@@ -90,10 +91,26 @@ class Invariants_test : public beast::unit_test::suite
         {
             terActual = ac.checkInvariants(terActual, fee);
             BEAST_EXPECT(terExpect == terActual);
-            BEAST_EXPECT(
+            // Handle both with and without BEAST_ENHANCED_LOGGING
-                sink.messages().str().starts_with("Invariant failed:") ||
+            auto const msg = sink.messages().str();
-                sink.messages().str().starts_with(
+            bool hasExpectedPrefix = false;
-                    "Transaction caused an exception"));
+
+#ifdef BEAST_ENHANCED_LOGGING
+            // When BEAST_ENHANCED_LOGGING is enabled, messages may include ANSI
+            // color codes and start with [file:line]. Just search for the
+            // message content.
+            hasExpectedPrefix =
+                msg.find("Invariant failed:") != std::string::npos ||
+                msg.find("Transaction caused an exception") !=
+                    std::string::npos;
+#else
+            // Without BEAST_ENHANCED_LOGGING, messages start directly with the
+            // text
+            hasExpectedPrefix = msg.starts_with("Invariant failed:") ||
+                msg.starts_with("Transaction caused an exception");
+#endif
+
+            BEAST_EXPECT(hasExpectedPrefix);
             for (auto const& m : expect_logs)
             {
                 if (sink.messages().str().find(m) == std::string::npos)