我有一个简单的Web服务，它将对象存储到PostgresSQL数据库中。我遇到invalid stream header: 5C786163错误。十六进制解码为\xac或¬符号，但我找不到此符号的来源！
完整Stacktrace：
org.springframework.orm.jpa.JpaSystemException: could not deserialize; nested exception is org.hibernate.type.SerializationException: could not deserialize
at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:333) ~[spring-orm-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:244) ~[spring-orm-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:488) ~[spring-orm-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:59) ~[spring-tx-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:213) ~[spring-tx-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:147) ~[spring-tx-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodInterceptor.invoke(CrudMethodMetadataPostProcessor.java:133) ~[spring-data-jpa-1.11.6.RELEASE.jar:na]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) ~[spring-aop-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at org.springframework.data.repository.core.support.SurroundingTransactionDetectorMethodInterceptor.invoke(SurroundingTransactionDetectorMethodInterceptor.java:57) ~[spring-data-commons-1.13.6.RELEASE.jar:na]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:213) ~[spring-aop-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at com.sun.proxy.$Proxy83.saveAndFlush(Unknown Source) ~[na:na]
at com.sps.service.RefreshLocalDbService.savePlaylist(RefreshLocalDbService.java:166) ~[classes/:na]
at com.sps.service.RefreshLocalDbService.saveSpotifyPlaylist(RefreshLocalDbService.java:116) ~[classes/:na]
at com.sps.service.RefreshLocalDbService.saveSimplePlaylistsToDatastore(RefreshLocalDbService.java:175) ~[classes/:na]
at com.sps.service.RefreshLocalDbService.pullLocationPlaylists(RefreshLocalDbService.java:89) ~[classes/:na]
at com.sps.service.RefreshLocalDbService.main(RefreshLocalDbService.java:67) ~[classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_161]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_161]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_161]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_161]
at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:65) ~[spring-context-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54) ~[spring-context-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [na:1.8.0_161]
at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308) [na:1.8.0_161]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180) [na:1.8.0_161]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294) [na:1.8.0_161]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_161]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_161]
at java.lang.Thread.run(Thread.java:748) [na:1.8.0_161]
Caused by: org.hibernate.type.SerializationException: could not deserialize
at org.hibernate.internal.util.SerializationHelper.doDeserialize(SerializationHelper.java:243) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.internal.util.SerializationHelper.deserialize(SerializationHelper.java:287) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.type.descriptor.java.SerializableTypeDescriptor.fromBytes(SerializableTypeDescriptor.java:138) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.type.descriptor.java.SerializableTypeDescriptor.wrap(SerializableTypeDescriptor.java:113) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.type.descriptor.java.SerializableTypeDescriptor.wrap(SerializableTypeDescriptor.java:27) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.type.descriptor.sql.VarbinaryTypeDescriptor$2.doExtract(VarbinaryTypeDescriptor.java:60) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.type.descriptor.sql.BasicExtractor.extract(BasicExtractor.java:47) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:238) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:234) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.type.AbstractStandardBasicType.nullSafeGet(AbstractStandardBasicType.java:224) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.type.AbstractStandardBasicType.hydrate(AbstractStandardBasicType.java:300) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.persister.entity.AbstractEntityPersister.hydrate(AbstractEntityPersister.java:2790) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.loader.plan.exec.process.internal.EntityReferenceInitializerImpl.loadFromResultSet(EntityReferenceInitializerImpl.java:306) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.loader.plan.exec.process.internal.EntityReferenceInitializerImpl.hydrateEntityState(EntityReferenceInitializerImpl.java:233) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.loader.plan.exec.process.internal.AbstractRowReader.readRow(AbstractRowReader.java:103) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.loader.plan.exec.internal.EntityLoadQueryDetails$EntityLoaderRowReader.readRow(EntityLoadQueryDetails.java:239) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.loader.plan.exec.process.internal.ResultSetProcessorImpl.extractResults(ResultSetProcessorImpl.java:122) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.loader.plan.exec.internal.AbstractLoadPlanBasedLoader.executeLoad(AbstractLoadPlanBasedLoader.java:122) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.loader.plan.exec.internal.AbstractLoadPlanBasedLoader.executeLoad(AbstractLoadPlanBasedLoader.java:86) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.loader.entity.plan.AbstractLoadPlanBasedEntityLoader.load(AbstractLoadPlanBasedEntityLoader.java:167) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.persister.entity.AbstractEntityPersister.load(AbstractEntityPersister.java:4019) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.event.internal.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:508) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.event.internal.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:478) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.event.internal.DefaultLoadEventListener.load(DefaultLoadEventListener.java:219) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.event.internal.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:278) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.event.internal.DefaultLoadEventListener.doOnLoad(DefaultLoadEventListener.java:121) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.event.internal.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:89) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.internal.SessionImpl.fireLoad(SessionImpl.java:1129) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.internal.SessionImpl.internalLoad(SessionImpl.java:1022) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.type.EntityType.resolveIdentifier(EntityType.java:639) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.type.EntityType.resolve(EntityType.java:431) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.type.EntityType.replace(EntityType.java:330) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.type.AbstractType.replace(AbstractType.java:147) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.type.TypeHelper.replace(TypeHelper.java:211) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.event.internal.DefaultMergeEventListener.copyValues(DefaultMergeEventListener.java:438) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.event.internal.DefaultMergeEventListener.entityIsTransient(DefaultMergeEventListener.java:233) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.event.internal.DefaultMergeEventListener.entityIsDetached(DefaultMergeEventListener.java:301) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:170) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.event.internal.DefaultMergeEventListener.onMerge(DefaultMergeEventListener.java:69) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.internal.SessionImpl.fireMerge(SessionImpl.java:840) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.internal.SessionImpl.merge(SessionImpl.java:822) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.internal.SessionImpl.merge(SessionImpl.java:827) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.jpa.spi.AbstractEntityManagerImpl.merge(AbstractEntityManagerImpl.java:1161) ~[hibernate-entitymanager-5.0.12.Final.jar:5.0.12.Final]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_161]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_161]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_161]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_161]
at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:298) ~[spring-orm-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at com.sun.proxy.$Proxy81.merge(Unknown Source) ~[na:na]
at org.springframework.data.jpa.repository.support.SimpleJpaRepository.save(SimpleJpaRepository.java:511) ~[spring-data-jpa-1.11.6.RELEASE.jar:na]
at org.springframework.data.jpa.repository.support.SimpleJpaRepository.saveAndFlush(SimpleJpaRepository.java:522) ~[spring-data-jpa-1.11.6.RELEASE.jar:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_161]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_161]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_161]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_161]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.executeMethodOn(RepositoryFactorySupport.java:504) ~[spring-data-commons-1.13.6.RELEASE.jar:na]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:489) ~[spring-data-commons-1.13.6.RELEASE.jar:na]
at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:461) ~[spring-data-commons-1.13.6.RELEASE.jar:na]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:56) ~[spring-data-commons-1.13.6.RELEASE.jar:na]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99) ~[spring-tx-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:282) ~[spring-tx-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96) ~[spring-tx-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) ~[spring-aop-4.3.10.RELEASE.jar:4.3.10.RELEASE]
at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:136) ~[spring-tx-4.3.10.RELEASE.jar:4.3.10.RELEASE]
... 27 common frames omitted
Caused by: java.io.StreamCorruptedException: invalid stream header: 5C786163
at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:862) ~[na:1.8.0_161]
at java.io.ObjectInputStream.<init>(ObjectInputStream.java:354) ~[na:1.8.0_161]
at org.hibernate.internal.util.SerializationHelper$CustomObjectInputStream.<init>(SerializationHelper.java:309) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.internal.util.SerializationHelper$CustomObjectInputStream.<init>(SerializationHelper.java:299) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
at org.hibernate.internal.util.SerializationHelper.doDeserialize(SerializationHelper.java:218) ~[hibernate-core-5.0.12.Final.jar:5.0.12.Final]
... 92 common frames omitted
相关课程如下，完整来源here：
RefinedPlaylist.java
public class RefinedPlaylist implements Serializable {
@Id
private String id;
private URI uri;
private URL externalURL;
private Integer numOfFollowers;
private String href;
@ElementCollection
private List<String> images;
private String name;
@ManyToOne(targetEntity = RefinedUser.class)
private RefinedUser refinedUser;
@ManyToMany(targetEntity = RefinedTrack.class)
private List<RefinedTrack> refinedTracks;
}
RefinedUser.java
public class RefinedUser implements Serializable {
@Id
private String id;
private URI uri;
private String displayName;
private URL externalUrl;
private Integer numOfFollowers;
private String href;
@ElementCollection
private List<String> images;
}
RefinedTrack.java
public class RefinedTrack implements Serializable {
@Id
private String id;
@ManyToMany(targetEntity = RefinedArtist.class)
private List<RefinedArtist> refinedArtists;
@ManyToMany(targetEntity = RefinedPlaylist.class)
private List<RefinedPlaylist> refinedPlaylists;
@ElementCollection
private List<String> availableMarkets;
private int discNum;
private int durationMs;
private boolean explicit;
private URL externalURL;
private String href;
private String name;
private URL previewURL;
private int trackNumber;
private int popularity;
private URI uri;
}
RefinedArtist.java
public class RefinedArtist implements Serializable {
@Id
private String id;
private URL externalURL;
@ElementCollection
private List<String> genres;
@ManyToMany(targetEntity = RefinedArtist.class)
private List<RefinedArtist> refinedArtists;
private String href;
private String name;
private String type;
private int followers;
private int popularity;
private URI uri;
}
MainService.java
private void savePlaylist(SpotifyApi api, RefinedPlaylist fullRefinedPlaylist) {
if (playlistRepository.findById(fullRefinedPlaylist.getId()) != null) {
playlistCleanup(api, fullRefinedPlaylist);
}
if (userRepository.findById(fullRefinedPlaylist.getRefinedUser().getId()) == null) {
RefinedUser newRefinedUser = DownstreamMapper.mapUser(pullUser(api, fullRefinedPlaylist.getRefinedUser().getId()));
userRepository.saveAndFlush(newRefinedUser);
}
ArrayList<String> songIdArrayList = new ArrayList<>();
for (int i = 0; i < fullRefinedPlaylist.getRefinedTracks().size(); i++) {
if (trackRepository.findById(fullRefinedPlaylist.getRefinedTracks().get(i).getId()) == null) {
songIdArrayList.add(fullRefinedPlaylist.getRefinedTracks().get(i).getId());
}
}
if (songIdArrayList.size() > 0) {
List<Track> trackArrayList = pullSongs(api, songIdArrayList);
if (trackArrayList != null) {
ArrayList<String> artistIdArrayList = new ArrayList<String>();
for (Track track : trackArrayList) {
if (track != null) {
for (int p = 0; p < track.getArtists().length; p++) {
if (artistRepository.findById(track.getArtists()[p].getId()) == null) {
artistIdArrayList.add(track.getArtists()[p].getId());
}
}
}
}
List<Artist> artistList = pullArtists(api, artistIdArrayList);
if (artistList != null) {
for (Artist artist : artistList) {
artistRepository.saveAndFlush(DownstreamMapper.mapArtist(artist));
log.info("Saved Artist: {} to the database", artist.getName());
}
}
for (Track track : trackArrayList) {
trackRepository.saveAndFlush(DownstreamMapper.mapSong(track));
log.info("Saved Song: {} to the database", track.getName());
}
}
}
log.error(fullRefinedPlaylist.toString());
**Error here** playlistRepository.saveAndFlush(fullRefinedPlaylist);
log.info("Saved a playlist called {}", fullRefinedPlaylist.getName());
}