Tomcat7 hang pada penerapan aplikasi

9

Saya memiliki beberapa perilaku yang sangat aneh di Tomcat 7 di Ubuntu 14.04.

Saya membuat VPS baru, menginstal default-jdk dan hal-hal sederhana lainnya. Mengunduh dan membongkar Tomcat 7. Memeriksa apakah itu berjalan [myIP]:8080, dan melihat halaman indeks Tomcat.

Setelah saya reboot VPS, saya mulai Tomcat lagi, dan ... tidak ada respons [myIP]:8080. Bahkan tidak ada kesalahan. Ketika saya memeriksa log, saya melihat bahwa Tomcat baru saja hang dalam penerapan pada webapp pertama.

Log saya :

Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server version:        Apache Tomcat/7.0.57
Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server built:          Nov 3 2014 08:39:16 UTC
Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server number:         7.0.57.0
Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: OS Name:               Linux
Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: OS Version:            3.13.0-37-generic
Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Architecture:          amd64
Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: JAVA_HOME:             /usr/lib/jvm/java-7-openjdk-amd64/jre
Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: JVM Version:           1.7.0_65-b32
Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: JVM Vendor:            Oracle Corporation
Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: CATALINA_BASE:         /opt/tomcat
Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: CATALINA_HOME:         /opt/tomcat
Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Djava.util.logging.config.file=/opt/tomcat/conf/logging.properties
Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Djava.endorsed.dirs=/opt/tomcat/endorsed
Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dcatalina.base=/opt/tomcat
Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dcatalina.home=/opt/tomcat
Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Djava.io.tmpdir=/opt/tomcat/temp
Dec 31, 2014 9:06:04 AM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /usr/java/packages/lib/amd64:/usr/lib/x86_64-linux-gnu/jni:/lib/x86_64-linux-gnu:/usr/lib/x86_64-linux-gnu:/usr/lib/jni:/lib:/usr/lib
Dec 31, 2014 9:06:04 AM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-bio-8080"]
Dec 31, 2014 9:06:04 AM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["ajp-bio-8009"]
Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 2327 ms
Dec 31, 2014 9:06:04 AM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
Dec 31, 2014 9:06:04 AM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.57
Dec 31, 2014 9:06:04 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory /opt/tomcat/webapps/host-manager
Dec 31, 2014 9:11:09 AM org.apache.catalina.util.SessionIdGenerator createSecureRandom
INFO: Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [303,104] milliseconds.
Dec 31, 2014 9:11:09 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deployment of web application directory /opt/tomcat/webapps/host-manager has finished in 304,682 ms
Dec 31, 2014 9:11:09 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory /opt/tomcat/webapps/manager
Dec 31, 2014 9:11:09 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deployment of web application directory /opt/tomcat/webapps/manager has finished in 271 ms
Dec 31, 2014 9:11:09 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory /opt/tomcat/webapps/docs
Dec 31, 2014 9:11:09 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deployment of web application directory /opt/tomcat/webapps/docs has finished in 205 ms
Dec 31, 2014 9:11:09 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory /opt/tomcat/webapps/examples
Dec 31, 2014 9:11:11 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deployment of web application directory /opt/tomcat/webapps/examples has finished in 1,422 ms
Dec 31, 2014 9:11:11 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory /opt/tomcat/webapps/ROOT
Dec 31, 2014 9:11:11 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deployment of web application directory /opt/tomcat/webapps/ROOT has finished in 177 ms
Dec 31, 2014 9:11:11 AM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-bio-8080"]
Dec 31, 2014 9:11:11 AM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["ajp-bio-8009"]
Dec 31, 2014 9:11:11 AM org.apache.catalina.startup.Catalina start
INFO: Server startup in 306957 ms
Dec 31, 2014 9:17:35 AM org.apache.coyote.AbstractProtocol pause
INFO: Pausing ProtocolHandler ["http-bio-8080"]
Dec 31, 2014 9:17:35 AM org.apache.coyote.AbstractProtocol pause
INFO: Pausing ProtocolHandler ["ajp-bio-8009"]
Dec 31, 2014 9:17:35 AM org.apache.catalina.core.StandardService stopInternal
INFO: Stopping service Catalina
Dec 31, 2014 9:17:36 AM org.apache.coyote.AbstractProtocol stop
INFO: Stopping ProtocolHandler ["http-bio-8080"]
Dec 31, 2014 9:17:36 AM org.apache.coyote.AbstractProtocol stop
INFO: Stopping ProtocolHandler ["ajp-bio-8009"]
Dec 31, 2014 9:17:36 AM org.apache.coyote.AbstractProtocol destroy
INFO: Destroying ProtocolHandler ["http-bio-8080"]
Dec 31, 2014 9:17:36 AM org.apache.coyote.AbstractProtocol destroy
INFO: Destroying ProtocolHandler ["ajp-bio-8009"]
Dec 31, 2014 9:20:01 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server version:        Apache Tomcat/7.0.57
Dec 31, 2014 9:20:01 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server built:          Nov 3 2014 08:39:16 UTC
Dec 31, 2014 9:20:01 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server number:         7.0.57.0
Dec 31, 2014 9:20:01 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: OS Name:               Linux
Dec 31, 2014 9:20:01 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: OS Version:            3.13.0-37-generic
Dec 31, 2014 9:20:01 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Architecture:          amd64
Dec 31, 2014 9:20:01 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: JAVA_HOME:             /usr/lib/jvm/java-7-openjdk-amd64/jre
Dec 31, 2014 9:20:01 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: JVM Version:           1.7.0_65-b32
Dec 31, 2014 9:20:01 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: JVM Vendor:            Oracle Corporation
Dec 31, 2014 9:20:01 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: CATALINA_BASE:         /opt/tomcat
Dec 31, 2014 9:20:01 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: CATALINA_HOME:         /opt/tomcat
Dec 31, 2014 9:20:01 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Djava.util.logging.config.file=/opt/tomcat/conf/logging.properties
Dec 31, 2014 9:20:01 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
Dec 31, 2014 9:20:01 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Djava.endorsed.dirs=/opt/tomcat/endorsed
Dec 31, 2014 9:20:01 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dcatalina.base=/opt/tomcat
Dec 31, 2014 9:20:01 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dcatalina.home=/opt/tomcat
Dec 31, 2014 9:20:01 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Djava.io.tmpdir=/opt/tomcat/temp
Dec 31, 2014 9:20:01 AM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /usr/java/packages/lib/amd64:/usr/lib/x86_64-linux-gnu/jni:/lib/x86_64-linux-gnu:/usr/lib/x86_64-linux-gnu:/usr/lib/jni:/lib:/usr/lib
Dec 31, 2014 9:20:01 AM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-bio-8080"]
Dec 31, 2014 9:20:01 AM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["ajp-bio-8009"]
Dec 31, 2014 9:20:01 AM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 1536 ms
Dec 31, 2014 9:20:02 AM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
Dec 31, 2014 9:20:02 AM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.57
Dec 31, 2014 9:20:02 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory /opt/tomcat/webapps/host-manager
Dec 31, 2014 9:33:38 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server version:        Apache Tomcat/7.0.57
Dec 31, 2014 9:33:38 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server built:          Nov 3 2014 08:39:16 UTC
Dec 31, 2014 9:33:38 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Server number:         7.0.57.0
Dec 31, 2014 9:33:38 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: OS Name:               Linux
Dec 31, 2014 9:33:38 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: OS Version:            3.13.0-37-generic
Dec 31, 2014 9:33:38 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Architecture:          amd64
Dec 31, 2014 9:33:38 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: JAVA_HOME:             /usr/lib/jvm/java-7-openjdk-amd64/jre
Dec 31, 2014 9:33:38 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: JVM Version:           1.7.0_65-b32
Dec 31, 2014 9:33:38 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: JVM Vendor:            Oracle Corporation
Dec 31, 2014 9:33:38 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: CATALINA_BASE:         /opt/tomcat
Dec 31, 2014 9:33:38 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: CATALINA_HOME:         /opt/tomcat
Dec 31, 2014 9:33:38 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Djava.util.logging.config.file=/opt/tomcat/conf/logging.properties
Dec 31, 2014 9:33:38 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
Dec 31, 2014 9:33:38 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Djava.endorsed.dirs=/opt/tomcat/endorsed
Dec 31, 2014 9:33:38 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dcatalina.base=/opt/tomcat
Dec 31, 2014 9:33:38 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Dcatalina.home=/opt/tomcat
Dec 31, 2014 9:33:38 AM org.apache.catalina.startup.VersionLoggerListener log
INFO: Command line argument: -Djava.io.tmpdir=/opt/tomcat/temp
Dec 31, 2014 9:33:38 AM org.apache.catalina.core.AprLifecycleListener lifecycleEvent
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /usr/java/packages/lib/amd64:/usr/lib/x86_64-linux-gnu/jni:/lib/x86_64-linux-gnu:/usr/lib/x86_64-linux-gnu:/usr/lib/jni:/lib:/usr/lib
Dec 31, 2014 9:33:38 AM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["http-bio-8080"]
Dec 31, 2014 9:33:38 AM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["ajp-bio-8009"]
Dec 31, 2014 9:33:38 AM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 2495 ms
Dec 31, 2014 9:33:39 AM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
Dec 31, 2014 9:33:39 AM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.57
Dec 31, 2014 9:33:39 AM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory /opt/tomcat/webapps/host-manager

Hingga baris 74, ini adalah startup server normal. Semua webapp standar dikerahkan (baris 48-68), tetapi setelah itu baru saja hang. Jadi, saya menghentikan server dan mem-boot ulang sistem saya. Mulai kucing jantan lagi, dan keajaiban dimulai. Sesi berikutnya ada di baris 89-136, dan Anda dapat melihat tidak ada entri untuk Server startup in xxxx ms.

Itu hanya menggantung dalam penyebaran dan situasi ini berulang sepanjang waktu. Apa yang menyebabkan ini? Saya telah menghabiskan berjam-jam berjuang dengan masalah ini dan saya menjadi gila dan tidak mendapatkan apa-apa.

tomcat deployment Asprelis
sumber
Saya menemukan keputusan yang bagus di sini. Kita perlu memperbarui generator acak daemon, yang akan mendukung sistem opur dengan enthropy. stackoverflow.com/questions/27612209/…
Asprelis

Jawaban:

21

Masalah yang mungkin terjadi adalah Tomcat menunggu entropi untuk membangun. Ikuti beberapa utas jstackuntuk melihat siapa yang menunggu apa.

Tomcat 7+ sangat bergantung pada SecureRandomkelas untuk memberikan nilai acak untuk id sesi, dan hal-hal lainnya. Bergantung pada JRE Anda, ini dapat menyebabkan penundaan selama startup jika sumber entropi yang digunakan untuk menginisialisasi SecureRandomkekurangan entropi.

Jika masalahnya adalah entropi, ada cara untuk mengonfigurasi JRE untuk menggunakan sumber entropi yang tidak memblokir dengan menyetel properti sistem berikut: 

-Djava.security.egd=file:/dev/./urandom

Lihat diskusi terkait ini untuk lebih jelasnya .

Federico Sierra
sumber
INFO: Pembuatan instance SecureRandom untuk pembuatan ID sesi menggunakan [SHA1PRNG] memakan waktu [4.118.269] milidetik. Sepertinya kamu benar. Saya akan mencoba mengubah sumber entropi
Asprelis
Ya Tuhan terima kasih atas petunjuknya !!! Saya bermasalah dengan masalah ini selama sekitar 2 hari!
Rugal
Solusi alternatif adalah menginstal havegedfeed / dev / acak dengan entropi, lihat digitalocean.com/community/tutorials/…
James
1
@ James tentu saja, tetapi Anda harus berhati-hati tentang perincian security.stackexchange.com/questions/34523/…
Federico Sierra
0

Semoga bermanfaat bagi seseorang:

Periksa, bahwa Anda TIDAK memiliki dependensi seperti itu di pom.xml Anda:

    <dependency>
        <groupId>org.apache.tomcat.maven</groupId>
        <artifactId>tomcat7-maven-plugin</artifactId>
        <version>2.2</version>
    </dependency>

    <dependency>
        <groupId>org.apache.tomcat</groupId>
        <artifactId>tomcat-catalina</artifactId>
        <version>8.0.23</version>
    </dependency>
sslavia 812
sumber
Bisakah Anda menjelaskan mengapa? Saya memiliki ketergantungan seperti itu di salah satu proyek saya. dan semua tampak baik-baik saja.
Asprelis
0

Kemungkinan penyebab masalah: kesalahan pengetikan di jalur file keystore:

keystoreFile="conf/cert/certificate.ks"
Olivier Faucheux
sumber
ini mungkin memang terjadi, dan Anda mungkin mengabaikan kesalahan selama proses pemuatan server
hello_earth