Could not load bootstrap from environment

[TheXDSummsi]

Hi everyone.

So yesterday my confluence server broke. After some googling i upgraded the server in the hope it will fix the problem. Now it starts again but the error screen appears with "Could not load bootstrap from environment" in the catalina.out file the following error appears:

LF4J: Failed to load class "org.slf4j.impl.StaticLoggerBinder".
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
17-Dec-2019 00:15:35.761 INFO [Catalina-utility-2] org.apache.catalina.core.ApplicationContext.log 1 Spring WebApplicationInitializers detected on classpath
17-Dec-2019 00:15:36.063 INFO [Catalina-utility-2] org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this lo$
17-Dec-2019 00:15:36.612 INFO [Catalina-utility-2] org.apache.catalina.core.ApplicationContext.log Initializing Spring DispatcherServlet 'dispatcher'
2019-12-17 00:15:38,294 INFO [Catalina-utility-1] [com.atlassian.confluence.lifecycle] contextInitialized Starting Confluence 7.2.0 [build 8401 based on commit hash 912a577971fe711d4a876d913$
2019-12-17 00:15:56,461 ERROR [Catalina-utility-1] [atlassian.confluence.setup.ConfluenceConfigurationListener] contextInitialized An error was encountered while bootstrapping Confluence (se$
Cannot connect to h2db
java.lang.RuntimeException: Cannot connect to h2db
at com.atlassian.h2.DatabaseCreatingServerLifecycle.start(DatabaseCreatingServerLifecycle.java:57)
at com.atlassian.confluence.core.persistence.hibernate.ConfluenceHibernateConfig.getHibernateProperties(ConfluenceHibernateConfig.java:51)
at com.atlassian.confluence.setup.DefaultBootstrapManager.getHibernateProperties(DefaultBootstrapManager.java:634)
at com.atlassian.confluence.setup.DefaultBootstrapManager.performPersistenceUpgrade(DefaultBootstrapManager.java:318)
at com.atlassian.config.bootstrap.DefaultAtlassianBootstrapManager.init(DefaultAtlassianBootstrapManager.java:81)
at com.atlassian.confluence.setup.DefaultBootstrapManager.init(DefaultBootstrapManager.java:188)
at com.atlassian.config.util.BootstrapUtils.init(BootstrapUtils.java:36)
at com.atlassian.confluence.setup.ConfluenceConfigurationListener.initialiseBootstrapContext(ConfluenceConfigurationListener.java:146)
at com.atlassian.confluence.setup.ConfluenceConfigurationListener.contextInitialized(ConfluenceConfigurationListener.java:65)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4685)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5146)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
Caused by: org.h2.jdbc.JdbcSQLException: General error: "java.lang.NullPointerException" [50000-196]
at org.h2.message.DbException.getJdbcSQLException(DbException.java:345)
at org.h2.message.DbException.get(DbException.java:168)
at org.h2.message.DbException.convert(DbException.java:295)
at org.h2.engine.Database.openDatabase(Database.java:307)
at org.h2.engine.Database.<init>(Database.java:270)
at org.h2.engine.Engine.openSession(Engine.java:64)
at org.h2.engine.Engine.openSession(Engine.java:176)
at org.h2.engine.Engine.createSessionAndValidate(Engine.java:154)
at org.h2.engine.Engine.createSession(Engine.java:137)
at org.h2.engine.Engine.createSession(Engine.java:27)
at org.h2.engine.SessionRemote.connectEmbeddedOrServer(SessionRemote.java:354)
at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:116)
at org.h2.jdbc.JdbcConnection.<init>(JdbcConnection.java:100)
at org.h2.Driver.connect(Driver.java:69)
at java.sql.DriverManager.getConnection(DriverManager.java:664)
at java.sql.DriverManager.getConnection(DriverManager.java:247)
at com.atlassian.h2.DatabaseCreatingServerLifecycle.start(DatabaseCreatingServerLifecycle.java:52)

... 20 more
Caused by: java.lang.NullPointerException
at org.h2.mvstore.db.ValueDataType.compare(ValueDataType.java:104)
at org.h2.mvstore.MVMap.compare(MVMap.java:713)
at org.h2.mvstore.Page.binarySearch(Page.java:334)
at org.h2.mvstore.MVMap.binarySearch(MVMap.java:466)
at org.h2.mvstore.MVMap.get(MVMap.java:455)
at org.h2.mvstore.MVMap.remove(MVMap.java:543)
at org.h2.mvstore.db.TransactionStore.rollbackTo(TransactionStore.java:506)
at org.h2.mvstore.db.TransactionStore$Transaction.rollback(TransactionStore.java:803)
at org.h2.mvstore.db.MVTableEngine$Store.initTransactions(MVTableEngine.java:256)
at org.h2.engine.Database.open(Database.java:767)
at org.h2.engine.Database.openDatabase(Database.java:276)
... 33 more