You need to put a headeer of "Cookie: oraclelicense=accept-securebackup-cookie" in using curl.

Here is the example of download of JDK 1.8 u131.


curl -LO -H "Cookie: oraclelicense=accept-securebackup-cookie" \
http://download.oracle.com/otn-pub/java/jdk/8u131-b11/d54c1d3a095b4ff2b6607d096fa80163/jdk-8u131-linux-x64.rpm
cs


저작자표시 비영리 변경금지 (새창열림)

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https://stackoverflow.com/questions/4667483/how-is-the-default-java-heap-size-determined


java -XX:+PrintFlagsFinal -version | grep HeapSize
cs


저작자표시 비영리 변경금지 (새창열림)

'Programming Language > Java' 카테고리의 다른 글

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When I was running a Spring Boot app on Java 9, which has no issue w/ Java 8, I encountered some issues.


ClassNotFoundException: javax.xml.bind.JAXBException

The logs are as following.

2018-03-01 14:22:49.115  INFO 25680 --- [           main] org.hibernate.Version                    : HHH000412: Hibernate Core {5.0.12.Final}
2018-03-01 14:22:49.117  INFO 25680 --- [           main] org.hibernate.cfg.Environment            : HHH000206: hibernate.properties not found
2018-03-01 14:22:49.119  INFO 25680 --- [           main] org.hibernate.cfg.Environment            : HHH000021: Bytecode provider name : javassist
2018-03-01 14:22:49.140  WARN 25680 --- [           main] ationConfigEmbeddedWebApplicationContext : Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguration.class]: Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: javax/xml/bind/JAXBException
2018-03-01 14:22:49.450  INFO 25680 --- [           main] o.apache.catalina.core.StandardService   : Stopping service [Tomcat]
2018-03-01 14:22:49.467  INFO 25680 --- [           main] utoConfigurationReportLoggingInitializer : 
 
Error starting ApplicationContext. To display the auto-configuration report re-run your application with 'debug' enabled.
2018-03-01 14:22:49.473 ERROR 25680 --- [           main] o.s.boot.SpringApplication               : Application startup failed
 
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguration.class]: Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: javax/xml/bind/JAXBException
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1628)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
    at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1078)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:857)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543)
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122)
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:693)
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:360)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:303)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1118)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1107)
    at com.comcast.meld.jobcontrol.JobControlManager.main(JobControlManager.java:18)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:564)
    at org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run(AbstractRunMojo.java:527)
    at java.base/java.lang.Thread.run(Thread.java:844)
Caused by: java.lang.NoClassDefFoundError: javax/xml/bind/JAXBException
    at org.hibernate.boot.spi.XmlMappingBinderAccess.<init>(XmlMappingBinderAccess.java:43)
    at org.hibernate.boot.MetadataSources.<init>(MetadataSources.java:87)
    at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.<init>(EntityManagerFactoryBuilderImpl.java:179)
    at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.<init>(EntityManagerFactoryBuilderImpl.java:149)
    at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:54)
    at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:353)
    at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:370)
    at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:359)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1687)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1624)
    ... 22 common frames omitted
Caused by: java.lang.ClassNotFoundException: javax.xml.bind.JAXBException
    at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:466)
    at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:563)
    at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:496)
    ... 32 common frames omitted
 
[WARNING] 
java.lang.reflect.InvocationTargetException
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:564)
    at org.springframework.boot.maven.AbstractRunMojo$LaunchRunner.run(AbstractRunMojo.java:527)
    at java.base/java.lang.Thread.run(Thread.java:844)
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaAutoConfiguration.class]: Invocation of init method failed; nested exception is java.lang.NoClassDefFoundError: javax/xml/bind/JAXBException
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1628)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:555)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483)
    at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306)
    at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)
    at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302)
    at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197)
    at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1078)
    at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:857)
    at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:543)
    at org.springframework.boot.context.embedded.EmbeddedWebApplicationContext.refresh(EmbeddedWebApplicationContext.java:122)
    at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:693)
    at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:360)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:303)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1118)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1107)
    at com.comcast.meld.jobcontrol.JobControlManager.main(JobControlManager.java:18)
    ... 6 more
Caused by: java.lang.NoClassDefFoundError: javax/xml/bind/JAXBException
    at org.hibernate.boot.spi.XmlMappingBinderAccess.<init>(XmlMappingBinderAccess.java:43)
    at org.hibernate.boot.MetadataSources.<init>(MetadataSources.java:87)
    at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.<init>(EntityManagerFactoryBuilderImpl.java:179)
    at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.<init>(EntityManagerFactoryBuilderImpl.java:149)
    at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:54)
    at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:353)
    at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:370)
    at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:359)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1687)
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1624)
    ... 22 more
Caused by: java.lang.ClassNotFoundException: javax.xml.bind.JAXBException
    at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:466)
    at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:563)
    at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:496)
    ... 32 more
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 10.373 s
[INFO] Finished at: 2018-03-01T14:22:49-07:00
[INFO] Final Memory: 38M/128M
[INFO] ------------------------------------------------------------------------
cs


The solution is adding a dependency in pom.xml, which becomes optional from Java 9.

    <dependency>
      <groupId>javax.xml.bind</groupId>
      <artifactId>jaxb-api</artifactId>
      <version>2.3.0</version>
    </dependency>
cs


Please refer to the links too.

https://stackoverflow.com/questions/43574426/how-to-resolve-java-lang-noclassdeffounderror-javax-xml-bind-jaxbexception-in-j

https://www.concretepage.com/forum/thread?qid=531


Warning message

When the app is initiated, there are some warning logs as following.
(Actually, it does not affect the behavior of the app.)
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.springframework.cglib.core.ReflectUtils$1 (file:/Users/bkim203/.m2/repository/org/springframework/spring-core/4.3.11.RELEASE/spring-core-4.3.11.RELEASE.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int,java.security.ProtectionDomain)
WARNING: Please consider reporting this to the maintainers of org.springframework.cglib.core.ReflectUtils$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
cs

The solution is adding "--illegal-access=deny" in the command line.
Please refer to the following page for more details.




저작자표시 비영리 변경금지 (새창열림)

'Programming Language > Java' 카테고리의 다른 글

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You need to put a header of "Cookie: oraclelicense=accept-securebackup-cookie" in using curl.

Here is an example of download of JDK 1.8 u131.


curl -LO -H "Cookie: oraclelicense=accept-securebackup-cookie" \
http://download.oracle.com/otn-pub/java/jdk/8u131-b11/d54c1d3a095b4ff2b6607d096fa80163/jdk-8u131-linux-x64.rpm
cs


저작자표시 비영리 변경금지 (새창열림)

'Programming Language > Java' 카테고리의 다른 글

How to download Oracle JDK using CLI  (0) 2018.03.09
How to check default heap size of JVM  (0) 2018.03.09
Spring Boot on Java 9  (0) 2018.03.02
How to check default heap size of JVM  (0) 2018.03.01
CPU Load Generator  (0) 2018.03.01

https://stackoverflow.com/questions/4667483/how-is-the-default-java-heap-size-determined


java -XX:+PrintFlagsFinal -version | grep HeapSize
cs


저작자표시 비영리 변경금지 (새창열림)

'Programming Language > Java' 카테고리의 다른 글

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How to download Oracle JDK from CLI  (0) 2018.03.01
CPU Load Generator  (0) 2018.03.01

https://caffinc.github.io/2016/03/cpu-load-generator/


public class CpuLoadGenerator {
 
    public static void main(String[] args) {
        if (args == null || args.length < 1) {
            throw new IllegalArgumentException("load number is required. (between 0 to 1)");
        }
 
        double load = Double.parseDouble(args[0]);
        int numProcessors = Runtime.getRuntime().availableProcessors();
        long duration = Long.MAX_VALUE;
        if (args.length == 2) {
            try {
                duration = Long.parseLong(args[1]);
            } catch (NumberFormatException e) {
                duration = Long.MAX_VALUE;
            }
        }
 
        System.out.println("CpuLoadGenerator started. numProcessors=" + numProcessors + ", load=" + load);
 
        for (int thread = 0; thread < numProcessors; thread++) {
            new BusyThread("Thread" + thread, load, duration).start();
        }
    }
 
    private static class BusyThread extends Thread {
        private double load;
        private long duration;
 
        public BusyThread(String name, double load, long duration) {
            super(name);
            this.load = load;
            this.duration = duration;
        }
 
        @Override
        public void run() {
            long startTime = System.currentTimeMillis();
            try {
                while (System.currentTimeMillis() - startTime < duration) {
                    if (System.currentTimeMillis() % 100 == 0) {
                        Thread.sleep((long) Math.floor((1 - load) * 100));
                    }
                }
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }
}
 
cs


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