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Android App Development include LDAP on MAC OS X

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  • M Offline
    M Offline
    mkmp29
    wrote on last edited by mkmp29
    #3

    I compiled the framework with this script:

    #!/bin/bash

#adjust
export NDK_LOCATION="/Users/user123/Library/Android/sdk"

export ANDROID_NDK_HOME="$NDK_LOCATION/ndk-bundle"
export CC="arm-linux-androideabi-gcc"
export CXX="arm-linux-androideabi-g++"
export RANLIB="arm-linux-androideabi-ranlib"
export LD="arm-linux-androideabi-ld"
export AR="arm-linux-androideabi-ar"
export CROSS_COMPILE="arm-linux-androideabi"
#define android api
export ANDROID_API=16
export CFLAGS="-D__ANDROID_API__=$ANDROID_API"

#install toolchain
${ANDROID_NDK_HOME}/build/tools/make-standalone-toolchain.sh --platform=android-${ANDROID_API} --install-dir=${ANDROID_NDK_HOME}/android-toolchain

export PATH="$PATH:$ANDROID_NDK_HOME/android-toolchain/bin"
export LIB_DIR="`pwd`/lib"
export LDAP_OUTPUT_DIR="${LIB_DIR}/compiled/OpenLDAP"

#download lib
#git clone https://github.com/openldap/openldap.git
cd "$LIB_DIR/openldap"

./configure --host=${CROSS_COMPILE} --prefix="${LDAP_OUTPUT_DIR}" --with-yielding_select=yes

make depend
make && make install

    And tried to add it in my pro file:

    # ekke (Ekkehard Gentz) @ekkescorner
TEMPLATE = app
TARGET = stacked_pages_x

QT += qml quick core sql
CONFIG += c++11

INCLUDEPATH += lib/compiled/OpenLDAP/include
LIBS += -L lib/compiled/OpenLDAP/lib -lldap
ANDROID_EXTRA_LIBS += lib/compiled/OpenLDAP/lib/libldap.so

HEADERS += \
    handlenewstudent.h \
    applicationui.hpp \
    uiconstants.hpp \
    entities/admin.h \
    dbhelper.h \
    entities/student.h \
    handletextfield.h \
    lists/studentlist.h \
    entities/studentlistmodel.h\
    ldapAuth.h

SOURCES += main.cpp \
    applicationui.cpp \
    entities/admin.cpp \
    dbhelper.cpp \
    entities/student.cpp \
    handletextfield.cpp \
    lists/studentlist.cpp \
    entities/studentlistmodel.cpp\
    ldapAuth.cpp \
    handlenewstudent.cpp

lupdate_only {
    SOURCES +=  main.qml \
    common/*.qml \
    pages/*.qml
}

OTHER_FILES += images/black/*.png \
    images/black/x18/*.png \
    images/black/x36/*.png \
    images/black/x48/*.png \
    images/white/*.png \
    images/white/x18/*.png \
    images/white/x36/*.png \
    images/white/x48/*.png \
    translations/*.* \
    images/LICENSE \
    LICENSE \
    *.md

RESOURCES += \
    translations.qrc \
    qml.qrc \
    images.qrc

# Additional import path used to resolve QML modules in Qt Creator's code model
QML_IMPORT_PATH =

# Default rules for deployment.
include(deployment.pri)

# T R A N S L A T I O N S

# if languages are added:
# 1. rebuild project to generate *.qm
# 2. add existing .qm files to translations.qrc

# if changes to translatable strings:
# 1. Run Tools-External-Linguist-Update
# 2. Run Linguist and do translations
# 3. Build and run on iOS and Android to verify translations
# 4. Optional: if translations not done: Run Tools-External-Linguist-Release

# Supported languages
LANGUAGES = de en

# used to create .ts files
 defineReplace(prependAll) {
     for(a,$$1):result += $$2$${a}$$3
     return($$result)
 }
# Available translations
tsroot = $$join(TARGET,,,.ts)
tstarget = $$join(TARGET,,,_)
TRANSLATIONS = $$PWD/translations/$$tsroot
TRANSLATIONS += $$prependAll(LANGUAGES, $$PWD/translations/$$tstarget, .ts)
# run LRELEASE to generate the qm files
qtPrepareTool(LRELEASE, lrelease)
 for(tsfile, TRANSLATIONS) {
     command = $$LRELEASE $$tsfile
     system($$command)|error("Failed to run: $$command")
 }

DISTFILES += \
    pages/PageStudentNew.qml \
    pages/PageItemOverview.qml \
    pages/PageItemNew.qml \
    pages/PageHome.qml \
    pages/PageUserOverview.qml \
    pages/PageUserNew.qml \
    pages/PageBorrowedItemsOverview.qml \
    pages/PageBorrowItem.qml \
    pages/PageGiveBackItem.qml \
    pages/PageLogin.qml

    But it still don't work, it throws errors that functions are not in the declared scope

    /Edit: solved it, I used deprecated functionality of the library that can be enabled over the macro LDAP_DEPRECATED

    sierdzioS 1 Reply Last reply
    1
    • M mkmp29

      I compiled the framework with this script:

      #!/bin/bash

#adjust
export NDK_LOCATION="/Users/user123/Library/Android/sdk"

export ANDROID_NDK_HOME="$NDK_LOCATION/ndk-bundle"
export CC="arm-linux-androideabi-gcc"
export CXX="arm-linux-androideabi-g++"
export RANLIB="arm-linux-androideabi-ranlib"
export LD="arm-linux-androideabi-ld"
export AR="arm-linux-androideabi-ar"
export CROSS_COMPILE="arm-linux-androideabi"
#define android api
export ANDROID_API=16
export CFLAGS="-D__ANDROID_API__=$ANDROID_API"

#install toolchain
${ANDROID_NDK_HOME}/build/tools/make-standalone-toolchain.sh --platform=android-${ANDROID_API} --install-dir=${ANDROID_NDK_HOME}/android-toolchain

export PATH="$PATH:$ANDROID_NDK_HOME/android-toolchain/bin"
export LIB_DIR="`pwd`/lib"
export LDAP_OUTPUT_DIR="${LIB_DIR}/compiled/OpenLDAP"

#download lib
#git clone https://github.com/openldap/openldap.git
cd "$LIB_DIR/openldap"

./configure --host=${CROSS_COMPILE} --prefix="${LDAP_OUTPUT_DIR}" --with-yielding_select=yes

make depend
make && make install

      And tried to add it in my pro file:

      # ekke (Ekkehard Gentz) @ekkescorner
TEMPLATE = app
TARGET = stacked_pages_x

QT += qml quick core sql
CONFIG += c++11

INCLUDEPATH += lib/compiled/OpenLDAP/include
LIBS += -L lib/compiled/OpenLDAP/lib -lldap
ANDROID_EXTRA_LIBS += lib/compiled/OpenLDAP/lib/libldap.so

HEADERS += \
    handlenewstudent.h \
    applicationui.hpp \
    uiconstants.hpp \
    entities/admin.h \
    dbhelper.h \
    entities/student.h \
    handletextfield.h \
    lists/studentlist.h \
    entities/studentlistmodel.h\
    ldapAuth.h

SOURCES += main.cpp \
    applicationui.cpp \
    entities/admin.cpp \
    dbhelper.cpp \
    entities/student.cpp \
    handletextfield.cpp \
    lists/studentlist.cpp \
    entities/studentlistmodel.cpp\
    ldapAuth.cpp \
    handlenewstudent.cpp

lupdate_only {
    SOURCES +=  main.qml \
    common/*.qml \
    pages/*.qml
}

OTHER_FILES += images/black/*.png \
    images/black/x18/*.png \
    images/black/x36/*.png \
    images/black/x48/*.png \
    images/white/*.png \
    images/white/x18/*.png \
    images/white/x36/*.png \
    images/white/x48/*.png \
    translations/*.* \
    images/LICENSE \
    LICENSE \
    *.md

RESOURCES += \
    translations.qrc \
    qml.qrc \
    images.qrc

# Additional import path used to resolve QML modules in Qt Creator's code model
QML_IMPORT_PATH =

# Default rules for deployment.
include(deployment.pri)

# T R A N S L A T I O N S

# if languages are added:
# 1. rebuild project to generate *.qm
# 2. add existing .qm files to translations.qrc

# if changes to translatable strings:
# 1. Run Tools-External-Linguist-Update
# 2. Run Linguist and do translations
# 3. Build and run on iOS and Android to verify translations
# 4. Optional: if translations not done: Run Tools-External-Linguist-Release

# Supported languages
LANGUAGES = de en

# used to create .ts files
 defineReplace(prependAll) {
     for(a,$$1):result += $$2$${a}$$3
     return($$result)
 }
# Available translations
tsroot = $$join(TARGET,,,.ts)
tstarget = $$join(TARGET,,,_)
TRANSLATIONS = $$PWD/translations/$$tsroot
TRANSLATIONS += $$prependAll(LANGUAGES, $$PWD/translations/$$tstarget, .ts)
# run LRELEASE to generate the qm files
qtPrepareTool(LRELEASE, lrelease)
 for(tsfile, TRANSLATIONS) {
     command = $$LRELEASE $$tsfile
     system($$command)|error("Failed to run: $$command")
 }

DISTFILES += \
    pages/PageStudentNew.qml \
    pages/PageItemOverview.qml \
    pages/PageItemNew.qml \
    pages/PageHome.qml \
    pages/PageUserOverview.qml \
    pages/PageUserNew.qml \
    pages/PageBorrowedItemsOverview.qml \
    pages/PageBorrowItem.qml \
    pages/PageGiveBackItem.qml \
    pages/PageLogin.qml

      But it still don't work, it throws errors that functions are not in the declared scope

      /Edit: solved it, I used deprecated functionality of the library that can be enabled over the macro LDAP_DEPRECATED

      sierdzioS Offline
      sierdzioS Offline
      sierdzio
      Moderators
      wrote on last edited by
      #4

      @mkmp29 said in Android App Development include LDAP on MAC OS X:

      But it still don't work, it throws errors that functions are not in the declared scope

      What errors and where?

      This line looks fishy to me: --host=${CROSS_COMPILE}

      The host is your host machine (your Mac), so it should rather be something like x86_64, and not the ARM architecture. But maybe LDAP is using some other convention, I don't know.

      (Z(:^

      1 Reply Last reply
      0
      • M Offline
        M Offline
        mkmp29
        wrote on last edited by mkmp29
        #5
        This post is deleted!
        1 Reply Last reply
        0
        • M Offline
          M Offline
          mkmp29
          wrote on last edited by
          #6

          My error is:

          :-1: error: error: cannot find -lldap

          I think there is mistake in the .pro file:

          The Filestructure is:

          - *.pro
- lib
  - compiled
    - OpenLDAP
       - lib
       - include 
       - *
- other files

          in the lib directory are these files:

          liblber-2-devel.so.0       libldap.la
liblber-2-devel.so.0.0.0   libldap.so
liblber.a                  libldap_r-2-devel.so.0
liblber.la                 libldap_r-2-devel.so.0.0.0
liblber.so                 libldap_r.a
libldap-2-devel.so.0       libldap_r.la
libldap-2-devel.so.0.0.0   libldap_r.so
libldap.a
          1 Reply Last reply
          0
          • sierdzioS Offline
            sierdzioS Offline
            sierdzio
            Moderators
            wrote on last edited by
            #7

            @mkmp29 said in Android App Development include LDAP on MAC OS X:

            -L lib/compiled/OpenLDAP/lib -lldap

            There should be no space between '-L' and your library search path.

            (Z(:^

            1 Reply Last reply
            1
            • M Offline
              M Offline
              mkmp29
              wrote on last edited by mkmp29
              #8

              @mkmp29 said in Android App Development include LDAP on MAC OS X:

              INCLUDEPATH += lib/compiled/OpenLDAP/include
              LIBS += -L lib/compiled/OpenLDAP/lib -lldap
              ANDROID_EXTRA_LIBS += lib/compiled/OpenLDAP/lib/libldap.so

              Didn't work either. I just get the message for multiple lib function:

              ldapAuth.o:ldapAuth.cpp:function LDAPAuth::~LDAPAuth(): error: undefined reference to 'ldap_unbind'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::~LDAPAuth(): error: undefined reference to 'ldap_unbind'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::checkStatus(QString const&, int): error: undefined reference to 'ldap_err2string'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::checkStatus(QString const&, int): error: undefined reference to 'ldap_err2string'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::init(): error: undefined reference to 'ldap_initialize'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::init(): error: undefined reference to 'ldap_initialize'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::init(): error: undefined reference to 'ldap_set_option'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::init(): error: undefined reference to 'ldap_set_option'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::init(): error: undefined reference to 'ldap_start_tls_s'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::init(): error: undefined reference to 'ldap_start_tls_s'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::init(): error: undefined reference to 'ldap_simple_bind_s'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::search(QString const&): error: undefined reference to 'ldap_search_ext_s'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::search(QString const&): error: undefined reference to 'ldap_first_entry'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::search(QString const&): error: undefined reference to 'ldap_get_dn'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::search(QString const&): error: undefined reference to 'ldap_first_attribute'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::search(QString const&): error: undefined reference to 'ldap_get_values'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::search(QString const&): error: undefined reference to 'ldap_next_attribute'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::search(QString const&): error: undefined reference to 'ldap_memfree'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::search(QString const&): error: undefined reference to 'ldap_next_entry'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::search(QString const&): error: undefined reference to 'ldap_msgfree'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::search(QString const&): error: undefined reference to 'ldap_msgfree'
ldapAuth.o:ldapAuth.cpp:function LDAPAuth::authentificate(QString const&, QString const&): error: undefined reference to 'ldap_simple_bind_s'
collect2: error: ld returned 1 exit status

              Looks like the library is compiled wrong ?

              1 Reply Last reply
              0
              • SGaistS Offline
                SGaistS Offline
                SGaist
                Lifetime Qt Champion
                wrote on last edited by SGaist
                #9

                Hi,

                Did you check the x86 vs x86_64 architecture for your library ?

                Interested in AI ? www.idiap.ch
                Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                M 2 Replies Last reply
                0
                • SGaistS SGaist

                  Hi,

                  Did you check the x86 vs x86_64 architecture for your library ?

                  M Offline
                  M Offline
                  mkmp29
                  wrote on last edited by
                  #10

                  @SGaist
                  I can only compile the library for the arm architecture. Other architecture fail because they can't find libraries...

                  Is there a better solution than compile the library for every architecture of the enddevice?

                  1 Reply Last reply
                  0
                  • SGaistS Offline
                    SGaistS Offline
                    SGaist
                    Lifetime Qt Champion
                    wrote on last edited by
                    #11

                    No there's not.

                    The only alternative is to check whether your targets already have them available in their root filesystem and re-use them.

                    Interested in AI ? www.idiap.ch
                    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                    M 1 Reply Last reply
                    0
                    • SGaistS SGaist

                      No there's not.

                      The only alternative is to check whether your targets already have them available in their root filesystem and re-use them.

                      M Offline
                      M Offline
                      mkmp29
                      wrote on last edited by
                      #12
                      This post is deleted!
                      1 Reply Last reply
                      0
                      • SGaistS SGaist

                        Hi,

                        Did you check the x86 vs x86_64 architecture for your library ?

                        M Offline
                        M Offline
                        mkmp29
                        wrote on last edited by
                        #13

                        @SGaist

                        I can compile the application and push it to the virtual device. But i get the error:

                        W System.err: Caused by: java.lang.UnsatisfiedLinkError: dlopen failed: library "liblber-2-devel.so.0" not found

                        This file is contained in the lib folder of my cross compiled library. I read a little bit and tried to load the library during runtime with the QT Object: QLibrary and the function load. But it didnt work.

                        this is the part of my .pro file

                        ANDROID_EXTRA_LIBS += $$PWD/lib/compiled/openldap-i686-linux-android_16/lib/libldap.so
ANDROID_EXTRA_LIBS += $$PWD/lib/compiled/openldap-i686-linux-android_16/lib/liblber.so
ANDROID_EXTRA_LIBS += $$PWD/lib/compiled/openldap-i686-linux-android_16/lib/libldap_r.so
#ANDROID_EXTRA_LIBS += $$PWD/lib/compiled/openldap-i686-linux-android_16/lib/liblber-2-devel.so.0
#ANDROID_EXTRA_LIBS += $$PWD/lib/compiled/openldap-i686-linux-android_16/lib/liblber-2-devel.so.0.0.0
#ANDROID_EXTRA_LIBS += $$PWD/lib/compiled/openldap-i686-linux-android_16/lib/libldap-2-devel.so.0
#ANDROID_EXTRA_LIBS += $$PWD/lib/compiled/openldap-i686-linux-android_16/lib/libldap-2-devel.so.0.0.0
#ANDROID_EXTRA_LIBS += $$PWD/lib/compiled/openldap-i686-linux-android_16/lib/libldap_r-2-devel.so.0
#ANDROID_EXTRA_LIBS += $$PWD/lib/compiled/openldap-i686-linux-android_16/lib/libldap_r-2-devel.so.0.0.0

LIBS += -L$$PWD/lib/compiled/openldap-i686-linux-android_16/lib/ -lldap

INCLUDEPATH += $$PWD/lib/compiled/openldap-i686-linux-android_16/include
DEPENDPATH += $$PWD/lib/compiled/openldap-i686-linux-android_16/include

PRE_TARGETDEPS += $$PWD/lib/compiled/openldap-i686-linux-android_16/lib/libldap.a
LIBS += -L$$PWD/lib/compiled/openldap-i686-linux-android_16/lib/ -llber

INCLUDEPATH += $$PWD/lib/compiled/openldap-i686-linux-android_16/include
DEPENDPATH += $$PWD/lib/compiled/openldap-i686-linux-android_16/include

PRE_TARGETDEPS += $$PWD/lib/compiled/openldap-i686-linux-android_16/lib/liblber.a

LIBS += -L$$PWD/lib/compiled/openldap-i686-linux-android_16/lib/ -lldap_r

INCLUDEPATH += $$PWD/lib/compiled/openldap-i686-linux-android_16/include
DEPENDPATH += $$PWD/lib/compiled/openldap-i686-linux-android_16/include

PRE_TARGETDEPS += $$PWD/lib/compiled/openldap-i686-linux-android_16/lib/libldap_r.a

                        Library loading at the beginning of the main method.

                            QLibrary ldap("ldap");
    QLibrary ldap_r("ldap_r");
    QLibrary lber("lber");

    if(!ldap.load() || !lber.load() || !ldap_r.load()){
        qDebug() << "Failed loading library";
    }

                        The libraries that are contained in the lib folder are listed above

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                        0
                        • SGaistS Offline
                          SGaistS Offline
                          SGaist
                          Lifetime Qt Champion
                          wrote on last edited by
                          #14

                          IIRC, android doesn't support library versioning so ensure that you don't have a symbolic link copied to your package but a copy of the library.

                          Interested in AI ? www.idiap.ch
                          Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                          M 2 Replies Last reply
                          1
                          • SGaistS SGaist

                            IIRC, android doesn't support library versioning so ensure that you don't have a symbolic link copied to your package but a copy of the library.

                            M Offline
                            M Offline
                            mkmp29
                            wrote on last edited by mkmp29
                            #15
                            This post is deleted!
                            1 Reply Last reply
                            0
                            • SGaistS SGaist

                              IIRC, android doesn't support library versioning so ensure that you don't have a symbolic link copied to your package but a copy of the library.

                              M Offline
                              M Offline
                              mkmp29
                              wrote on last edited by
                              #16

                              @SGaist said in Android App Development include LDAP on MAC OS X:

                              IIRC, android doesn't support library versioning so ensure that you don't have a symbolic link copied to your package but a copy of the library.

                              I removed the links from the libraries, deleted the links and renamed the lib to its original name, but the error still appears...

                              1 Reply Last reply
                              0
                              • SGaistS Offline
                                SGaistS Offline
                                SGaist
                                Lifetime Qt Champion
                                wrote on last edited by
                                #17

                                Which one ? The missing symbol or the dlopen error ?

                                Interested in AI ? www.idiap.ch
                                Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                                M 1 Reply Last reply
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                                • SGaistS SGaist

                                  Which one ? The missing symbol or the dlopen error ?

                                  M Offline
                                  M Offline
                                  mkmp29
                                  wrote on last edited by
                                  #18

                                  @SGaist

                                  the dlopen error.

                                  I also tried to copy the versioned libs into the same folder in the android libs directory. But it didn't work.

                                  1 Reply Last reply
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                                  • SGaistS Offline
                                    SGaistS Offline
                                    SGaist
                                    Lifetime Qt Champion
                                    wrote on last edited by
                                    #19

                                    Why are you dlopening the library on Android rather than linking to it ?

                                    Interested in AI ? www.idiap.ch
                                    Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                                    M 1 Reply Last reply
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                                    • SGaistS SGaist

                                      Why are you dlopening the library on Android rather than linking to it ?

                                      M Offline
                                      M Offline
                                      mkmp29
                                      wrote on last edited by
                                      #20

                                      @SGaist

                                      this does the the library... I only include the library into my project

                                      SGaistS 1 Reply Last reply
                                      0
                                      • M mkmp29

                                        @SGaist

                                        this does the the library... I only include the library into my project

                                        SGaistS Offline
                                        SGaistS Offline
                                        SGaist
                                        Lifetime Qt Champion
                                        wrote on last edited by
                                        #21

                                        @mkmp29 said in Android App Development include LDAP on MAC OS X:

                                        this does the the library...

                                        Can you rephrase that please ? I don't understand what it means at all.

                                        Interested in AI ? www.idiap.ch
                                        Please read the Qt Code of Conduct - https://forum.qt.io/topic/113070/qt-code-of-conduct

                                        sierdzioS 1 Reply Last reply
                                        0
                                        • SGaistS SGaist

                                          @mkmp29 said in Android App Development include LDAP on MAC OS X:

                                          this does the the library...

                                          Can you rephrase that please ? I don't understand what it means at all.

                                          sierdzioS Offline
                                          sierdzioS Offline
                                          sierdzio
                                          Moderators
                                          wrote on last edited by
                                          #22

                                          @SGaist said in Android App Development include LDAP on MAC OS X:

                                          @mkmp29 said in Android App Development include LDAP on MAC OS X:

                                          this does the the library...

                                          Can you rephrase that please ? I don't understand what it means at all.

                                          If I get it right, he means that he links the LDAP library. That library, however, uses dlopen internally to access yet another library.

                                          (Z(:^

                                          M 1 Reply Last reply
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